/* ════════════════════════════════════════════════════
   DESIGN TOKENS v6.0 — 3T Construction
════════════════════════════════════════════════════ */
:root {
  --primary:      #dc2626;
  --primary-dk:   #b91c1c;
  --primary-lt:   #fef2f2;
  --gold:         #c9a84c;
  --gold-dark:    #a07828;
  --cream:        #faf8f4;
  --dark:         #0a0a0a;
  --gray-900:     #171717;
  --gray-700:     #404040;
  --gray-500:     #737373;
  --gray-300:     #d4d4d4;
  --gray-200:     #e5e5e5;
  --gray-100:     #f5f5f5;
  --gray-50:      #fafafa;
  --white:        #ffffff;
  --navy:         #1e3a5f;
  --navy-lt:      #e8f0fb;

  --font-body:    'Times New Roman', Times, serif;
  --font-display: 'Times New Roman', Times, serif;

  --radius-sm:    .375rem;
  --radius-md:    .75rem;
  --radius-lg:    1rem;
  --radius-xl:    1.5rem;

  --shadow-card:  0 4px 16px -2px rgba(0,0,0,.07), 0 1px 4px -1px rgba(0,0,0,.04);
  --shadow-lg:    0 20px 48px -12px rgba(0,0,0,.14);
  --shadow-red:   0 8px 24px -4px rgba(220,38,38,.38);

  --transition:   all .26s cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html  { scroll-behavior: smooth; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; }
body  { font-family: var(--font-body); color: var(--gray-900); line-height: 1.65; background: var(--white); overflow-x: hidden; }
img   { display: block; max-width: 100%; height: auto; }
a     { text-decoration: none; color: inherit; transition: var(--transition); }

.container   { width: 100%; max-width: 1280px; margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2rem); }
.text-center { text-align: center; }
.section-gap { padding-block: clamp(4rem, 8vw, 6.5rem); }

.eyebrow {
  display: inline-block; color: var(--primary); font-size: .6875rem; font-weight: 800;
  letter-spacing: .2em; text-transform: uppercase; margin-bottom: .875rem; font-family: var(--font-body);
}
.section-heading {
  font-family: var(--font-display); font-size: clamp(1.875rem, 4.5vw, 2.75rem);
  font-weight: 700; line-height: 1.16; color: var(--dark); margin-bottom: 1rem; letter-spacing: -.01em;
}
.section-heading--white { color: var(--white); }
.section-rule { width: 3rem; height: 2px; background: var(--primary); margin-bottom: 2.5rem; }
.section-rule--center { margin-inline: auto; }

.badge {
  display: inline-flex; align-items: center; gap: .5rem; background: var(--primary-lt); color: var(--primary);
  font-size: .6875rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase;
  padding: .4375rem 1.125rem; border-radius: 50px; border: 1px solid #fecaca;
}
.badge::before { content: ''; display: block; width: 7px; height: 7px; background: var(--primary); border-radius: 50%; flex-shrink: 0; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: var(--font-body); font-weight: 700; font-size: .8125rem;
  letter-spacing: .06em; text-transform: uppercase; padding: 1.0625rem 2.25rem; border-radius: var(--radius-md);
  transition: var(--transition); cursor: pointer; border: 2px solid transparent; line-height: 1;
}
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dk); transform: translateY(-2px); box-shadow: var(--shadow-red); }
.btn-gold { background: var(--gold); color: var(--white); }
.btn-gold:hover { background: var(--gold-dark); transform: translateY(-2px); box-shadow: 0 10px 24px -6px rgba(201,168,76,.4); }
.btn-outline { background: transparent; color: var(--dark); border-color: var(--gray-300); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-lt); }
.btn-white { background: var(--white); color: var(--primary); }
.btn-white:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

@keyframes pulse-ring {
  0%   { box-shadow: 0 0 0 0 rgba(220,38,38,.65); }
  70%  { box-shadow: 0 0 0 12px rgba(220,38,38,0); }
  100% { box-shadow: 0 0 0 0 rgba(220,38,38,0); }
}
.pulse { animation: pulse-ring 2.2s infinite; }

/* HERO */
.hero-ticker {
  position: absolute; top: 0; left: 0; right: 0; z-index: 10;
  background: rgba(10,10,10,.85); backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(201,168,76,.3); overflow: hidden; height: 2.625rem;
}
.hero-ticker-track { display: flex; align-items: center; gap: 0; white-space: nowrap; animation: ticker-scroll 28s linear infinite; height: 100%; }
.hero-ticker-track:hover { animation-play-state: paused; }
.ticker-item { display: inline-flex; align-items: center; gap: .75rem; padding: 0 2.5rem; font-size: .6875rem; font-weight: 700; color: rgba(255,255,255,.9); letter-spacing: .12em; text-transform: uppercase; }
.ticker-sep { color: var(--gold); font-size: .5rem; padding: 0 .5rem; opacity: .6; flex-shrink: 0; }
.ticker-item i { color: var(--gold); font-size: .875rem; flex-shrink: 0; }
@keyframes ticker-scroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; background: var(--dark); overflow: hidden; }
.hero-grid-bg {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 52px 52px;
}
.hero-media-col { position: absolute; inset: 0; z-index: 0; }
.hero-media-col video,
.hero-media-col .hero-video,
.hero-media-col .hero-fallback-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-media-col .hero-fallback-img { z-index: 0; }
.hero-media-col .hero-video { z-index: 1; }
.hero-media-gradient {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(to top, rgba(0,0,0,.92) 0%, rgba(0,0,0,.55) 35%, rgba(0,0,0,.15) 65%, transparent 100%), linear-gradient(to right, rgba(0,0,0,.6) 0%, rgba(0,0,0,.1) 60%, transparent 100%);
}
.hero-live-badge {
  position: absolute; top: 3.25rem; right: 1.75rem; z-index: 3; background: rgba(10,10,10,.75); backdrop-filter: blur(8px);
  color: var(--white); padding: .4375rem .875rem; border-radius: .375rem; font-size: .625rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: .12em; display: flex; align-items: center; gap: .4375rem; border: 1px solid rgba(255,255,255,.1);
}
.live-dot { width: 6px; height: 6px; border-radius: 50%; background: #ef4444; animation: pulse-ring 1.6s infinite; flex-shrink: 0; }
.hero-text-col { position: relative; z-index: 3; width: 100%; padding: 2.625rem max(1.5rem, calc((100vw - 1280px)/2 + 2rem)); padding-top: 5rem; display: flex; align-items: flex-end; }
.hero-text-inner { max-width: 720px; width: 100%; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: .625rem; margin-bottom: 1.25rem; font-family: var(--font-body); font-size: .6875rem; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; color: var(--gold); }
.hero-eyebrow::before { content: ''; display: block; width: 2rem; height: 1.5px; background: var(--gold); }
.hero-title { font-family: var(--font-display); font-size: clamp(2.875rem, 7vw, 5.5rem); font-weight: 700; line-height: 1.06; color: var(--white); letter-spacing: -.02em; margin: 0 0 .875rem; }
.hero-title .accent { color: var(--gold); font-style: italic; }
.hero-subtitle { font-size: clamp(.9375rem, 1.5vw, 1.125rem); color: rgba(255,255,255,.72); font-weight: 400; margin-bottom: 2rem; line-height: 1.7; max-width: 540px; }
.guarantee-strip { display: flex; flex-wrap: wrap; gap: .625rem 1.5rem; margin-bottom: 2.25rem; }
.guarantee-item { display: flex; align-items: center; gap: .5rem; }
.guarantee-item i { color: var(--gold); font-size: .875rem; flex-shrink: 0; }
.guarantee-item span { font-size: .75rem; font-weight: 700; color: rgba(255,255,255,.85); letter-spacing: .04em; text-transform: uppercase; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .875rem; margin-bottom: 2.75rem; }
.stats-bar { display: flex; gap: 0; flex-wrap: wrap; padding-top: 1.75rem; border-top: 1px solid rgba(255,255,255,.12); }
.stat-item { display: flex; flex-direction: column; padding: 0 2rem 0 0; position: relative; }
.stat-item + .stat-item::before { content: ''; position: absolute; left: 0; top: .25rem; bottom: .25rem; width: 1px; background: rgba(255,255,255,.12); }
.stat-item + .stat-item { padding-left: 2rem; }
.stat-num { font-family: var(--font-display); font-size: clamp(1.625rem, 2.5vw, 2.25rem); font-weight: 700; color: var(--white); line-height: 1; }
.stat-lbl { font-size: .625rem; font-weight: 700; color: rgba(255,255,255,.45); letter-spacing: .1em; text-transform: uppercase; margin-top: .375rem; }

/* ESTIMATOR */
.estimator-section { background: var(--gray-50); }
.est-tabs { display: flex; margin-bottom: 2rem; background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); }
.est-tab {
  flex: 1; padding: .875rem 1rem; font-size: .8125rem; font-weight: 700; background: transparent; color: var(--gray-500); border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: .5rem; transition: var(--transition); border-right: 1px solid var(--gray-200);
  font-family: var(--font-body); text-transform: uppercase; letter-spacing: .05em;
}
.est-tab:last-child { border-right: none; }
.est-tab.active { background: var(--white); color: var(--dark); }
.est-tab.done   { color: var(--gray-500); }
.est-tab-num { width: 1.5rem; height: 1.5rem; border-radius: 50%; font-size: .6875rem; font-weight: 800; display: flex; align-items: center; justify-content: center; background: var(--gray-200); color: var(--gray-500); flex-shrink: 0; transition: var(--transition); }
.est-tab.active .est-tab-num, .est-tab.done .est-tab-num { background: var(--primary); color: var(--white); }
.est-panel { display: none; }
.est-panel.active { display: block; }
.est-card { background: var(--white); border-radius: var(--radius-xl); padding: clamp(1.5rem, 4vw, 2.5rem); box-shadow: var(--shadow-lg); border: 1px solid var(--gray-200); }
.type-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .875rem; margin-top: .5rem; }
.type-card { border: 1.5px solid var(--gray-200); border-radius: var(--radius-md); padding: 1rem 1.125rem; cursor: pointer; background: var(--gray-50); transition: var(--transition); display: flex; flex-direction: column; gap: .25rem; }
.type-card:hover { border-color: #fca5a5; background: var(--white); }
.type-card.tc-active { border-color: var(--primary); background: var(--primary-lt); }
.tc-icon { font-size: 1.25rem; color: var(--gray-500); margin-bottom: .25rem; }
.type-card.tc-active .tc-icon { color: var(--primary); }
.tc-name  { font-weight: 700; font-size: .9375rem; color: var(--dark); }
.slider-group { display: flex; flex-direction: column; gap: .5rem; }
.est-field { display: flex; flex-direction: column; gap: .4rem; }
.est-field > label { font-size: .8125rem; font-weight: 700; color: var(--dark); }
.est-input-wrap {
  display: flex; align-items: stretch; border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md); background: var(--white); overflow: hidden;
  transition: border-color .15s;
}
.est-input-wrap:focus-within { border-color: var(--primary); }
.est-num {
  flex: 1; min-width: 0; border: none; outline: none; background: transparent;
  padding: .7rem .85rem; font-size: 1rem; font-weight: 700; font-family: var(--font-display);
  color: var(--dark); -moz-appearance: textfield;
}
.est-num::-webkit-outer-spin-button,
.est-num::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.est-num:disabled { color: var(--gray-500); background: var(--gray-50); cursor: not-allowed; }
.est-input-unit {
  display: flex; align-items: center; padding: 0 .85rem;
  font-size: .75rem; font-weight: 700; color: var(--gray-500);
  background: var(--gray-50); border-left: 1px solid var(--gray-200); white-space: nowrap;
}
.est-mode-toggle { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; }
.est-mode-btn {
  display: flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .75rem 1rem; border-radius: var(--radius-md);
  border: 1px solid var(--gray-200); background: var(--gray-50);
  font-size: .8125rem; font-weight: 700; color: var(--gray-600); cursor: pointer;
  transition: border-color .15s, background .15s, color .15s;
}
.est-mode-btn.active { border-color: var(--primary); background: #fef2f2; color: var(--primary-dk); }
.est-budget-block { padding: 1rem; border-radius: var(--radius-md); background: #f8fafc; border: 1px dashed var(--gray-300); }
.est-dim-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .875rem; }
.est-chip-grid { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .5rem; }
.est-chip {
  border: 1px solid var(--gray-200); background: var(--white); color: var(--gray-700);
  border-radius: 999px; padding: .45rem .85rem; font-size: .75rem; font-weight: 600; cursor: pointer;
}
.est-chip.active { border-color: var(--primary); background: #fef2f2; color: var(--primary-dk); }
.est-field-hint { font-size: .75rem; color: var(--gray-500); margin-top: .35rem; line-height: 1.4; }
.est-legal-note {
  font-size: .75rem; line-height: 1.55; color: var(--gray-600);
  background: #fffbeb; border: 1px solid #fde68a; border-radius: var(--radius-md);
  padding: .75rem 1rem; margin: 0;
}
.est-reverse-list { display: flex; flex-direction: column; gap: .625rem; }
.est-reverse-item {
  display: flex; justify-content: space-between; gap: 1rem; align-items: center;
  width: 100%; text-align: left; padding: .875rem 1rem;
  border: 1px solid var(--gray-200); border-radius: var(--radius-md); background: var(--white); cursor: pointer;
}
.est-reverse-item:hover { border-color: var(--primary); background: #fff7f7; }
.est-reverse-item-main { display: flex; flex-direction: column; gap: .2rem; font-size: .875rem; }
.est-reverse-item-main span { color: var(--gray-500); font-size: .75rem; }
.est-reverse-item-cost { text-align: right; }
.est-reverse-item-total { font-weight: 800; color: var(--dark); }
.est-reverse-item-meta { font-size: .6875rem; color: var(--gray-500); margin-top: .15rem; }
.est-reverse-empty { padding: 1rem; border-radius: var(--radius-md); background: #f8fafc; color: var(--gray-600); font-size: .875rem; }
@media (max-width: 700px) {
  .est-mode-toggle, .est-dim-grid { grid-template-columns: 1fr; }
}
.slider-head  { display: flex; justify-content: space-between; align-items: baseline; }
.slider-head label { font-size: .8125rem; font-weight: 700; color: var(--dark); }
.slider-readout { font-size: 1.25rem; font-weight: 800; font-family: var(--font-display); color: var(--primary); }
.slider-readout span { font-size: .8125rem; font-weight: 600; color: var(--gray-500); }
input[type=range].est-slider { width: 100%; accent-color: var(--primary); cursor: pointer; }
.fnd-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .875rem; margin-top: .5rem; }
@media (max-width: 900px) {
  .fnd-grid { grid-template-columns: 1fr; }
}
.fnd-card { border: 1.5px solid var(--gray-200); border-radius: var(--radius-md); padding: 1rem; cursor: pointer; background: var(--gray-50); transition: var(--transition); }
.fnd-card:hover { border-color: #93c5fd; background: var(--white); }
.fnd-card.fnd-active { border-color: var(--navy); background: var(--navy-lt); }
.fnd-name { font-weight: 700; font-size: .875rem; color: var(--dark); margin-bottom: .25rem; }
.fnd-card.fnd-active .fnd-name { color: var(--navy); }
.fnd-sub  { font-size: .75rem; color: var(--gray-500); line-height: 1.4; }
.pkg-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .875rem; margin-top: .5rem; }
.pkg-card { border: 1.5px solid var(--gray-200); border-radius: var(--radius-md); padding: 1rem 1.125rem; cursor: pointer; background: var(--gray-50); transition: var(--transition); }
.pkg-card:hover { border-color: #fbbf24; }
.pkg-card.pkg-active { border-color: var(--gold); background: #fef9ee; }
.pkg-name { font-weight: 700; font-size: .9375rem; color: var(--dark); margin-bottom: .5rem; }
.pkg-items { list-style: none; display: flex; flex-direction: column; gap: .25rem; }
.pkg-items li { font-size: .75rem; color: var(--gray-500); display: flex; align-items: flex-start; gap: .375rem; line-height: 1.4; }
.pkg-items li i { color: var(--gray-300); font-size: .625rem; margin-top: .2rem; flex-shrink: 0; }
.pkg-card.pkg-active .pkg-items li i { color: var(--gold-dark); }
.est-nav { display: flex; gap: .75rem; margin-top: 1.5rem; align-items: center; }
.est-btn-next {
  flex: 1; padding: 1rem 1.5rem; background: var(--primary); color: var(--white); border: none; border-radius: var(--radius-md);
  font-family: var(--font-body); font-size: .875rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
  cursor: pointer; display: flex; align-items: center; justify-content: center; gap: .5rem; transition: var(--transition);
}
.est-btn-next:hover { background: var(--primary-dk); transform: translateY(-1px); }
.est-btn-back {
  padding: .875rem 1.25rem; background: transparent; color: var(--gray-500); border: 1.5px solid var(--gray-200); border-radius: var(--radius-md);
  font-family: var(--font-body); font-size: .875rem; font-weight: 700; cursor: pointer; display: flex; align-items: center; gap: .375rem; transition: var(--transition);
}
.est-btn-back:hover { border-color: var(--gray-500); color: var(--dark); }
.result-total-card { background: var(--navy); border-radius: var(--radius-lg); padding: 1.75rem 2rem; color: var(--white); position: relative; overflow: hidden; margin-bottom: 1.25rem; }
.result-total-card::after { content: ''; position: absolute; right: -1.5rem; bottom: -1.5rem; width: 6rem; height: 6rem; border-radius: 50%; background: rgba(255,255,255,.04); pointer-events: none; }
.rtc-eyebrow { font-size: .6875rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.5); margin-bottom: .375rem; }
.rtc-amount  { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 2.875rem); font-weight: 800; color: var(--white); line-height: 1.05; margin-bottom: .25rem; }
.rtc-amount-full { font-size: .875rem; color: rgba(255,255,255,.5); margin-bottom: 1rem; }
.rtc-range { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,.1); }
.rtc-range-item .ri-lbl { font-size: .6875rem; color: rgba(255,255,255,.4); text-transform: uppercase; letter-spacing: .08em; margin-bottom: .25rem; }
.rtc-range-item .ri-val { font-size: 1rem; font-weight: 700; color: var(--white); }
.breakdown-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-lg); padding: 1.5rem; margin-bottom: 1.25rem; }
.breakdown-title { font-size: .875rem; font-weight: 800; color: var(--dark); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 1.125rem; }
.bk-bar-track { width: 100%; height: .75rem; border-radius: .375rem; background: var(--gray-100); overflow: hidden; display: flex; gap: 0; margin-bottom: 1.125rem; }
.bk-seg { height: 100%; transition: width .55s cubic-bezier(.4,0,.2,1); min-width: 0; }
.bk-mong { background: var(--navy); }
.bk-kc   { background: var(--primary); }
.bk-ht   { background: var(--gold); }
.bk-me   { background: #059669; }
.bk-legend { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; margin-bottom: 1.25rem; }
.bk-leg-item { display: flex; align-items: center; gap: .375rem; font-size: .75rem; color: var(--gray-500); }
.bk-leg-dot  { width: .625rem; height: .625rem; border-radius: .125rem; flex-shrink: 0; }
.bk-items    { display: flex; flex-direction: column; gap: .75rem; }
.bk-item-row { display: flex; align-items: center; gap: .875rem; }
.bk-item-bar { width: 3px; height: 2.5rem; border-radius: 2px; flex-shrink: 0; }
.bk-item-info { flex: 1; }
.bk-item-name { font-size: .875rem; font-weight: 700; color: var(--dark); }
.bk-item-desc { font-size: .75rem; color: var(--gray-500); margin-top: .125rem; }
.bk-item-cost { text-align: right; }
.bk-item-cost-val { font-size: .9375rem; font-weight: 700; color: var(--dark); }
.bk-item-cost-pct { font-size: .6875rem; color: var(--gray-500); margin-top: .125rem; }
.insight-box { background: var(--gray-50); border-left: 3px solid var(--primary); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; padding: 1rem 1.25rem; margin-bottom: 1.25rem; font-size: .875rem; color: var(--gray-700); line-height: 1.65; }
.insight-box strong { color: var(--dark); font-weight: 700; }
.lead-summary-box { background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: var(--radius-md); padding: 1rem 1.25rem; margin-bottom: 1.25rem; font-size: .875rem; color: var(--gray-700); }
.lead-summary-box strong { color: var(--dark); }
.lead-fields { display: flex; flex-direction: column; gap: .75rem; margin-bottom: 1.25rem; }
.form-control { padding: .875rem 1rem; border: 1.5px solid var(--gray-200); border-radius: var(--radius-sm); font-family: var(--font-body); font-size: .9375rem; transition: var(--transition); background: var(--gray-50); color: var(--dark); width: 100%; }
.form-control:focus { outline: none; border-color: var(--primary); background: var(--white); box-shadow: 0 0 0 3px rgba(220,38,38,.1); }
.est-submit-btn {
  width: 100%; padding: 1.125rem 1.5rem; background: var(--gold); color: var(--white); border: none; border-radius: var(--radius-md);
  font-family: var(--font-body); font-size: .9375rem; font-weight: 700; cursor: pointer; display: flex; align-items: center; justify-content: center; gap: .625rem;
  transition: var(--transition); margin-bottom: 1rem;
}
.est-submit-btn:hover:not(:disabled) { background: var(--gold-dark); transform: translateY(-1px); }
.est-submit-btn:disabled { opacity: .6; cursor: default; }
.lead-guarantees { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; }
.lead-guar-item  { display: flex; align-items: center; gap: .375rem; font-size: .75rem; color: var(--gray-500); }
.lead-guar-item i { color: #16a34a; font-size: .875rem; }
.lead-success { text-align: center; padding: 2.5rem 1.5rem; background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-xl); }
.lead-success-icon { width: 3.5rem; height: 3.5rem; border-radius: 50%; background: #dcfce7; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: #16a34a; margin: 0 auto 1.25rem; }
.lead-success-title { font-family: var(--font-display); font-size: 1.375rem; font-weight: 800; color: var(--dark); margin-bottom: .5rem; }
.lead-success-sub   { font-size: .9375rem; color: var(--gray-500); line-height: 1.65; }

/* WORRIES */
.worries-section { background: var(--white); }
.comparison-table { width: 100%; border-collapse: separate; border-spacing: 0; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); border: 1px solid var(--gray-200); }
.comparison-table thead th { background: var(--gray-100); padding: 1.125rem 1.375rem; font-size: .75rem; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; color: var(--gray-700); }
.comparison-table thead th:last-child { background: var(--primary-lt); color: var(--primary); }
.comparison-table tbody td { padding: 1.125rem 1.375rem; border-top: 1px solid var(--gray-200); vertical-align: top; font-size: .9375rem; }
.td-risk   { color: var(--gray-700); width: 45%; }
.td-3t     { font-weight: 600; color: var(--dark); width: 55%; background: rgba(254,242,242,.45); border-left: 3px solid var(--primary); }
.td-3t i   { color: var(--primary); margin-right: .5rem; }

/* WHY */
.why-section { background: var(--gray-50); }
.why-inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.feature-list { display: flex; flex-direction: column; gap: 1.25rem; margin-top: 2rem; }
.feature-item { display: flex; gap: 1.25rem; background: var(--white); padding: 1.375rem 1.5rem; border-radius: var(--radius-md); border: 1px solid var(--gray-200); box-shadow: var(--shadow-card); transition: var(--transition); }
.feature-item:hover { border-color: #fca5a5; transform: translateX(4px); }
.feature-icon { flex-shrink: 0; width: 2.875rem; height: 2.875rem; background: var(--primary-lt); color: var(--primary); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 1.125rem; }
.feature-title { font-weight: 700; font-size: 1rem; font-family: var(--font-display); color: var(--dark); margin-bottom: .3rem; }
.feature-desc  { color: var(--gray-500); font-size: .875rem; line-height: 1.55; }
.why-images { display: grid; grid-template-columns: 1fr 1fr; gap: 1.125rem; }
.why-img    { border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-card); }
.why-img img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/5; transition: transform .7s ease; display: block; }
.why-img:hover img { transform: scale(1.04); }
.why-img-lift { margin-top: -2rem; }

/* PROCESS */
.process-section { background: var(--dark); position: relative; overflow: hidden; }
.process-section::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image: repeating-linear-gradient(-45deg, rgba(255,255,255,.018) 0px, rgba(255,255,255,.018) 1px, transparent 1px, transparent 40px);
}
.process-title-area { text-align: center; margin-bottom: 3.5rem; position: relative; z-index: 1; }
.process-title-area .eyebrow { color: var(--gold); }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; position: relative; z-index: 1; }
.step {
  position: relative; padding: 2rem 1.625rem 1.75rem; border-radius: var(--radius-lg);
  background: rgba(255,255,255,.035); border: 1px solid rgba(255,255,255,.08);
  transition: transform .4s cubic-bezier(.4,0,.2,1), background .3s ease, border-color .3s ease;
}
.step:hover { background: rgba(201,168,76,.07); border-color: rgba(201,168,76,.45); transform: translateY(-6px); }
/* số bước — watermark chìm */
.step-index {
  position: absolute; top: .6rem; right: 1.1rem; font-family: var(--font-display);
  font-size: 3.25rem; font-weight: 800; line-height: 1; color: rgba(255,255,255,.06);
  pointer-events: none; transition: color .3s ease;
}
.step:hover .step-index { color: rgba(201,168,76,.2); }
/* badge icon — nền navy, icon vàng đồng */
.step-icon {
  position: relative; z-index: 1; width: 3rem; height: 3rem; border-radius: 14px;
  display: grid; place-items: center; margin-bottom: 1.125rem; font-size: 1.125rem;
  color: var(--gold); background: linear-gradient(150deg, var(--navy), #16304f);
  border: 1px solid rgba(201,168,76,.35);
  transition: background .3s ease, color .3s ease, transform .3s ease, border-color .3s ease;
}
.step:hover .step-icon { background: var(--gold); color: var(--dark); border-color: var(--gold); transform: scale(1.06); }
/* đường nối timeline (desktop) — nối các icon trong cùng hàng */
.step:not(:nth-child(3n))::after {
  content: ''; position: absolute; top: 3.5rem; right: -1.75rem; width: 1.75rem; height: 2px;
  background: linear-gradient(90deg, rgba(201,168,76,.55), rgba(201,168,76,.12)); z-index: 0;
}
.step-title { font-size: .9375rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; color: var(--white); margin-bottom: .5rem; }
.step-desc  { font-size: .8125rem; color: rgba(255,255,255,.58); line-height: 1.65; }

/* PORTFOLIO */
.projects-section { background: var(--white); }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.375rem; margin: 3rem 0 2.5rem; }
.project-card { border-radius: var(--radius-xl); overflow: hidden; aspect-ratio: 4/5; position: relative; box-shadow: var(--shadow-card); cursor: pointer; }
.project-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.4,0,.2,1); display: block; }
.project-card:hover img { transform: scale(1.07); }
.project-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,.88) 0%, rgba(0,0,0,.15) 55%, transparent 100%); display: flex; flex-direction: column; justify-content: flex-end; padding: 1.5rem; transition: background .4s ease; }
.project-card:hover .project-overlay { background: linear-gradient(to top, rgba(0,0,0,.92) 0%, rgba(0,0,0,.3) 60%, rgba(0,0,0,.05) 100%); }
.project-name { color: var(--white); font-weight: 700; font-family: var(--font-display); font-size: 1.0625rem; margin-bottom: .3rem; }
.project-loc  { color: var(--gold); font-size: .75rem; font-weight: 700; display: flex; align-items: center; gap: .375rem; }

/* MAP */
.map-section   { background: var(--gray-50); border-top: 1px solid var(--gray-200); }
.map-layout    { display: grid; grid-template-columns: .85fr 1.15fr; gap: 2.5rem; margin-top: 3rem; }
.office-cards  { display: flex; flex-direction: column; gap: 1.125rem; }
.office-card { background: var(--white); border: 1.5px solid var(--gray-200); border-radius: var(--radius-md); padding: 1.375rem 1.5rem; cursor: pointer; transition: var(--transition); }
.office-card.active, .office-card:hover { border-color: var(--primary); box-shadow: var(--shadow-card); }
.office-name { font-family: var(--font-display); font-weight: 700; font-size: 1.0625rem; color: var(--dark); margin-bottom: .5rem; }
.office-row  { display: flex; align-items: flex-start; gap: .5rem; font-size: .875rem; color: var(--gray-700); margin-top: .4375rem; }
.office-row i { color: var(--primary); margin-top: .2rem; flex-shrink: 0; }
.map-frame-wrap { border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-lg); border: 1px solid var(--gray-200); }
.map-frame-wrap iframe { width: 100%; height: 440px; border: 0; display: block; }

/* TRUST */
.trust-section { background: var(--white); }
.trust-layout  { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.commitment-box { background: var(--primary-lt); border: 2px dashed var(--primary); border-radius: var(--radius-xl); padding: 2.25rem 2rem; margin-top: 1.5rem; }
.commitment-list { list-style: none; display: flex; flex-direction: column; gap: 1.125rem; }
.commitment-list li { display: flex; align-items: flex-start; gap: .875rem; }
.check-icon  { color: var(--primary); font-size: 1.0625rem; margin-top: .2rem; flex-shrink: 0; }
.commit-text { font-weight: 700; font-family: var(--font-display); color: var(--dark); font-size: .9375rem; line-height: 1.4; }
.reviews-col  { display: flex; flex-direction: column; gap: 1.25rem; }
.review-card  { background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: var(--radius-xl); padding: 1.75rem 1.625rem; position: relative; }
.quote-mark { font-family: var(--font-display); font-size: 4.5rem; color: #fecaca; line-height: 0; position: absolute; top: 1.5rem; left: 1.25rem; opacity: .4; pointer-events: none; }
.review-stars   { color: #f59e0b; font-size: .8125rem; margin-bottom: .5rem; padding-left: 1rem; }
.review-text    { font-style: italic; color: var(--gray-700); line-height: 1.7; position: relative; padding-left: 1rem; font-size: .9375rem; }
.review-author  { font-weight: 700; color: var(--primary); font-size: .8125rem; margin-top: .875rem; display: block; padding-left: 1rem; }

/* FAQ */
.faq-section { background: var(--white); border-top: 1px solid var(--gray-200); }
.faq-list { max-width: 52rem; margin: 3rem auto 0; display: flex; flex-direction: column; gap: .875rem; }
.faq-item { border-radius: var(--radius-md); border: 1.5px solid var(--gray-200); background: var(--gray-50); overflow: hidden; transition: var(--transition); }
.faq-item[open] { border-color: var(--primary); background: var(--primary-lt); }
.faq-summary { display: flex; align-items: center; justify-content: space-between; padding: 1.25rem 1.5rem; font-weight: 700; font-family: var(--font-display); color: var(--dark); cursor: pointer; list-style: none; font-size: .9375rem; gap: 1rem; }
.faq-summary::-webkit-details-marker { display: none; }
.faq-arrow { font-size: .8125rem; color: var(--primary); transition: transform .3s; flex-shrink: 0; }
.faq-item[open] .faq-arrow { transform: rotate(180deg); }
.faq-answer { padding: 0 1.5rem 1.25rem; color: var(--gray-700); line-height: 1.7; font-size: .9375rem; }

/* CTA */
.cta-section { background: var(--primary); position: relative; overflow: hidden; }
.cta-section::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23fff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/svg%3E");
}
.cta-inner    { position: relative; z-index: 1; max-width: 48rem; margin-inline: auto; text-align: center; }
.cta-heading  { font-family: var(--font-display); font-size: clamp(1.875rem, 5vw, 3rem); color: var(--white); font-weight: 800; margin-bottom: 1rem; }
.cta-sub      { color: rgba(255,255,255,.85); font-size: 1.0625rem; margin-bottom: 2.5rem; }
.cta-actions  { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }

/* MODAL */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.55); backdrop-filter: blur(5px); z-index: 10000; align-items: center; justify-content: center; padding: 1.5rem; }
.modal-box { background: var(--white); border-radius: var(--radius-xl); max-width: 440px; width: 100%; padding: 2.5rem; text-align: center; box-shadow: var(--shadow-lg); }
.modal-icon { width: 3.75rem; height: 3.75rem; background: #22c55e; color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.625rem; margin: 0 auto 1.5rem; }
.modal-title { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; color: var(--dark); margin-bottom: .75rem; }
.modal-desc  { font-size: .9375rem; color: var(--gray-700); margin-bottom: 1.75rem; line-height: 1.6; }

/* FLOATING + CHATBOT */
.floating-contacts { position: fixed; bottom: 6.5rem; right: 2rem; display: flex; flex-direction: column; gap: .75rem; z-index: 999; }
.fab { width: 3rem; height: 3rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.25rem; box-shadow: var(--shadow-lg); transition: transform .25s ease; }
.fab:hover { transform: scale(1.1); }
.fab-zalo  { background: #0068ff; color: var(--white); }
.fab-phone { background: var(--primary); color: var(--white); }

.cb-trigger {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 1000; width: 3.5rem; height: 3.5rem; border-radius: 50%;
  background: linear-gradient(145deg, #2f6bff 0%, #1e40af 100%); color: var(--white); border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.375rem; box-shadow: 0 8px 24px rgba(37,99,235,.5); transition: transform .25s ease, box-shadow .25s ease;
}
.cb-trigger:hover { transform: scale(1.08); box-shadow: 0 12px 32px rgba(37,99,235,.6); }
.cb-trigger.cb-open { background: var(--gray-700); box-shadow: var(--shadow-lg); }
.cb-trigger .cb-icon-open  { display: flex; }
.cb-trigger .cb-icon-close { display: none; }
.cb-trigger.cb-open .cb-icon-open  { display: none; }
.cb-trigger.cb-open .cb-icon-close { display: flex; }
.cb-badge { position: absolute; top: -.25rem; right: -.25rem; width: 1.125rem; height: 1.125rem; border-radius: 50%; background: var(--gold); border: 2px solid var(--white); font-size: .625rem; font-weight: 800; color: var(--white); display: flex; align-items: center; justify-content: center; animation: pulse-ring 2.2s infinite; }
.cb-badge.hidden { display: none; }
.cb-panel {
  position: fixed; bottom: 6.5rem; right: 2rem; z-index: 1001; width: min(420px, calc(100vw - 2rem)); max-height: min(640px, calc(100vh - 8rem));
  background: var(--white); border-radius: var(--radius-xl); box-shadow: 0 24px 64px rgba(0,0,0,.18); border: 1px solid var(--gray-200);
  display: flex; flex-direction: column; transform: translateY(1rem) scale(.97); opacity: 0; pointer-events: none;
  transition: transform .28s cubic-bezier(.4,0,.2,1), opacity .28s ease; overflow: hidden;
}
.cb-panel.cb-visible { transform: translateY(0) scale(1); opacity: 1; pointer-events: all; }
.cb-header { display: flex; align-items: center; gap: .875rem; padding: 1rem 1.25rem; background: var(--primary); color: var(--white); flex-shrink: 0; }
.cb-avatar { width: 2.625rem; height: 2.625rem; border-radius: 50%; background: rgba(255,255,255,.2); display: flex; align-items: center; justify-content: center; font-size: 1.25rem; flex-shrink: 0; }
.cb-header-info { flex: 1; min-width: 0; }
.cb-header-name   { font-weight: 700; font-size: .9375rem; }
.cb-header-status { font-size: .75rem; color: rgba(255,255,255,.75); display: flex; align-items: center; gap: .375rem; margin-top: .125rem; }
.cb-status-dot    { width: 7px; height: 7px; border-radius: 50%; background: #4ade80; flex-shrink: 0; }
.cb-header-close  { background: none; border: none; color: rgba(255,255,255,.7); cursor: pointer; padding: .375rem; border-radius: .375rem; font-size: 1rem; transition: color .2s, background .2s; }
.cb-header-close:hover { color: var(--white); background: rgba(255,255,255,.15); }
.cb-suggestions { padding: .875rem 1rem .5rem; display: flex; flex-wrap: wrap; gap: .5rem; border-bottom: 1px solid var(--gray-100); flex-shrink: 0; background: var(--gray-50); }
.cb-suggestion-btn { padding: .375rem .875rem; border-radius: 50px; border: 1px solid var(--gray-300); background: var(--white); font-family: var(--font-body); font-size: .75rem; font-weight: 600; color: var(--gray-700); cursor: pointer; transition: var(--transition); white-space: nowrap; }
.cb-suggestion-btn:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-lt); }
.cb-messages { flex: 1; overflow-y: auto; padding: 1rem; display: flex; flex-direction: column; gap: .875rem; scroll-behavior: smooth; }
.cb-messages::-webkit-scrollbar { width: 4px; }
.cb-messages::-webkit-scrollbar-track { background: transparent; }
.cb-messages::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 2px; }
.cb-msg { display: flex; gap: .625rem; align-items: flex-end; }
.cb-msg--bot  { flex-direction: row; }
.cb-msg--user { flex-direction: row-reverse; }
.cb-msg-avatar { width: 1.875rem; height: 1.875rem; border-radius: 50%; flex-shrink: 0; background: var(--primary-lt); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: .75rem; }
.cb-msg--user .cb-msg-avatar { background: var(--dark); color: var(--white); }
.cb-bubble { max-width: 82%; padding: .75rem 1rem; border-radius: 1rem; font-size: .875rem; line-height: 1.6; }
.cb-msg--bot  .cb-bubble { background: var(--gray-100); color: var(--dark); border-bottom-left-radius: .25rem; }
.cb-msg--user .cb-bubble { background: var(--primary); color: var(--white); border-bottom-right-radius: .25rem; }
.cb-bubble strong { font-weight: 700; }
.cb-bubble em     { font-style: italic; }
.cb-bubble ul     { padding-left: 1.25rem; margin: .375rem 0; }
.cb-bubble li     { margin-bottom: .25rem; }
.cb-bubble a      { color: var(--primary); text-decoration: underline; }
.cb-msg--user .cb-bubble a { color: rgba(255,255,255,.85); }
.cb-typing { display: flex; gap: 4px; align-items: center; padding: .5rem 0; }
.cb-typing span { width: 7px; height: 7px; border-radius: 50%; background: var(--gray-500); display: inline-block; animation: cb-bounce .9s ease-in-out infinite; }
.cb-typing span:nth-child(2) { animation-delay: .15s; }
.cb-typing span:nth-child(3) { animation-delay: .3s; }
@keyframes cb-bounce { 0%, 80%, 100% { transform: translateY(0); opacity: .5; } 40% { transform: translateY(-6px); opacity: 1; } }
.cb-input-area { padding: .875rem 1rem; border-top: 1px solid var(--gray-200); display: flex; gap: .625rem; align-items: flex-end; flex-shrink: 0; background: var(--white); }
.cb-textarea { flex: 1; border: 1.5px solid var(--gray-200); border-radius: var(--radius-md); padding: .625rem .875rem; font-family: var(--font-body); font-size: .875rem; resize: none; line-height: 1.5; max-height: 6rem; overflow-y: auto; transition: border-color .2s; outline: none; color: var(--dark); background: var(--gray-50); }
.cb-textarea:focus { border-color: var(--primary); background: var(--white); }
.cb-textarea::placeholder { color: var(--gray-500); }
.cb-send-btn { width: 2.5rem; height: 2.5rem; border-radius: 50%; flex-shrink: 0; background: var(--primary); color: var(--white); border: none; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: .9375rem; transition: var(--transition); }
.cb-send-btn:hover:not(:disabled) { background: var(--primary-dk); transform: scale(1.05); }
.cb-send-btn:disabled { background: var(--gray-300); cursor: default; }
.cb-footer { padding: .375rem 1rem .625rem; display: flex; justify-content: center; background: var(--white); flex-shrink: 0; }
.cb-clear-btn { font-size: .6875rem; color: var(--gray-500); background: none; border: none; cursor: pointer; display: flex; align-items: center; gap: .25rem; font-family: var(--font-body); transition: color .2s; }
.cb-clear-btn:hover { color: var(--primary); }
.cb-error { font-size: .75rem; color: #dc2626; background: var(--primary-lt); border-radius: var(--radius-sm); padding: .375rem .75rem; text-align: center; margin: 0 1rem; }


/* LEAD FORM FIELD ERRORS */
.lead-fields .field { display: flex; flex-direction: column; gap: .375rem; }
.field-error { font-size: .75rem; color: var(--primary); font-weight: 600; }

/* STICKY CTA (mobile) */
.sticky-cta {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 40;
  display: none; gap: .5rem; padding: .75rem 1rem;
  background: rgba(255,255,255,.96); border-top: 1px solid var(--gray-200);
  box-shadow: 0 -8px 24px rgba(0,0,0,.08);
}
.sticky-cta .btn { flex: 1; padding: .875rem 1rem; font-size: .75rem; }
@media (max-width: 767px) {
  .sticky-cta { display: flex; }
  body { padding-bottom: 4.5rem; }
}
@media (min-width: 768px) {
  .sticky-cta { display: none !important; }
}

/* RESPONSIVE */
@media (max-width: 1023px) {
  .hero { min-height: 100svh; }
  .hero-text-col { padding: 5rem 1.5rem 2.5rem; }
  .map-layout { grid-template-columns: 1fr; }
  .trust-layout { grid-template-columns: 1fr; }
  .why-inner { grid-template-columns: 1fr; }
  .hero-title { font-size: clamp(2.5rem, 8vw, 4rem); }
}
@media (max-width: 767px) {
  .type-grid, .fnd-grid, .pkg-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; gap: 1.25rem; }
  .step:not(:nth-child(3n))::after { display: none; }
  .why-img-lift { margin-top: 0; }
  .why-images { grid-template-columns: 1fr; }
  .guarantee-strip { gap: .5rem 1rem; }
  .est-tab .est-tab-label { display: none; }
  .stats-bar { gap: 0; }
  .stat-item { padding: 0 1.25rem 0 0; }
  .stat-item + .stat-item { padding-left: 1.25rem; }
}
@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .rtc-range { grid-template-columns: 1fr 1fr; }
  .stats-bar { gap: 0; flex-wrap: nowrap; overflow-x: auto; }
  .stat-num { font-size: 1.375rem; }
  .cb-panel { right: .75rem; bottom: 5.5rem; width: calc(100vw - 1.5rem); }
  .cb-trigger { right: .75rem; bottom: .75rem; }
  .floating-contacts { right: .75rem; bottom: 5rem; }
}

/* ══════════════════════════════════════════════
   PORTFOLIO — tab lọc + card giàu thông tin (nâng cấp layout)
══════════════════════════════════════════════ */
.proj-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem; margin: 2.25rem 0 .25rem; }
.proj-tab {
  padding: .5rem 1.15rem; border-radius: 999px; border: 1px solid var(--gray-300);
  background: var(--white); color: var(--gray-500); font-family: var(--font-body);
  font-size: .8125rem; font-weight: 700; cursor: pointer; transition: var(--transition); white-space: nowrap;
}
.proj-tab:hover { border-color: var(--navy); color: var(--navy); }
.proj-tab.active { background: var(--navy); border-color: var(--navy); color: var(--white); box-shadow: 0 6px 16px -6px rgba(30,58,95,.55); }

.project-card { border: 1px solid var(--gray-200); transition: transform .45s cubic-bezier(.4,0,.2,1), box-shadow .45s ease; }
.project-card:hover { transform: translateY(-6px); box-shadow: 0 24px 44px -20px rgba(10,10,10,.55); }
.project-card.is-hidden { display: none; }

/* badge nhóm loại + diện tích — đẩy lên đỉnh overlay */
.project-badges { display: flex; flex-wrap: wrap; gap: .375rem; margin-bottom: auto; }
.project-badge {
  display: inline-flex; align-items: center; gap: .3rem; padding: .28rem .6rem; border-radius: 999px;
  font-family: var(--font-body); font-size: .6875rem; font-weight: 800; letter-spacing: .02em;
  background: rgba(255,255,255,.16); color: var(--white); border: 1px solid rgba(255,255,255,.24);
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
}
.project-badge--area { background: var(--gold); color: var(--dark); border-color: transparent; }
.project-badge i { font-size: .625rem; }

/* pill "Xem chi tiết" hiện khi hover (desktop) */
.project-cta {
  display: inline-flex; align-items: center; gap: .45rem; margin-top: .7rem;
  font-family: var(--font-body); font-size: .75rem; font-weight: 800; letter-spacing: .03em;
  text-transform: uppercase; color: var(--gold);
  opacity: 0; transform: translateY(6px); transition: opacity .35s ease, transform .35s ease;
}
.project-card:hover .project-cta { opacity: 1; transform: translateY(0); }
.project-cta i { transition: transform .3s ease; }
.project-card:hover .project-cta i { transform: translateX(4px); }

.proj-empty { text-align: center; color: var(--gray-500); font-size: .9375rem; margin: .5rem 0 2rem; }
.proj-empty a { color: var(--primary); font-weight: 700; }

/* mobile: không có hover → luôn hiện CTA, tab cuộn ngang gọn */
@media (max-width: 768px) {
  .project-cta { opacity: 1; transform: none; }
  .proj-tabs { justify-content: flex-start; flex-wrap: nowrap; overflow-x: auto; padding-bottom: .25rem; -webkit-overflow-scrolling: touch; }
  .proj-tabs::-webkit-scrollbar { display: none; }
  .proj-tab { flex: 0 0 auto; }
}

/* ══════════════════════════════════════════════
   PRICING — bảng giá 3 gói (Phần thô / Bạc / Vàng)
══════════════════════════════════════════════ */
.pricing-section { background: var(--gray-50, #fafafa); }
.pricing-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
  align-items: stretch; margin: 3rem 0 1.5rem;
}
.price-card {
  position: relative; display: flex; flex-direction: column;
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl); padding: 2rem 1.75rem;
  box-shadow: var(--shadow-card); transition: transform .4s cubic-bezier(.4,0,.2,1), box-shadow .4s ease;
}
.price-card:hover { transform: translateY(-6px); box-shadow: 0 26px 48px -22px rgba(10,10,10,.4); }

/* card giữa nổi bật — nền navy */
.price-card--featured {
  background: linear-gradient(160deg, var(--navy) 0%, #16304f 100%);
  border-color: var(--gold); box-shadow: 0 24px 50px -20px rgba(30,58,95,.65);
  transform: translateY(-12px); z-index: 1;
}
.price-card--featured:hover { transform: translateY(-18px); }
.price-badge-top {
  position: absolute; top: 0; left: 50%; transform: translate(-50%,-50%);
  background: var(--gold); color: var(--dark); font-family: var(--font-body);
  font-size: .6875rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase;
  padding: .35rem .9rem; border-radius: 999px; white-space: nowrap;
  box-shadow: 0 6px 14px -4px rgba(201,168,76,.6);
}

.price-head { margin-bottom: 1.25rem; }
.price-tier { font-family: var(--font-display); font-size: 1.375rem; font-weight: 700; color: var(--dark); }
.price-tier-sub { font-size: .8125rem; color: var(--gray-500); margin-top: .25rem; }
.price-card--featured .price-tier { color: var(--white); }
.price-card--featured .price-tier-sub { color: rgba(255,255,255,.75); }

.price-amount-row { display: flex; align-items: baseline; gap: .375rem; padding-bottom: 1.25rem; margin-bottom: 1.25rem; border-bottom: 1px solid var(--gray-200); flex-wrap: wrap; }
.price-from { font-size: .8125rem; color: var(--gray-500); font-weight: 600; }
.price-amount { font-family: var(--font-display); font-size: 2.125rem; font-weight: 800; color: var(--navy); line-height: 1; }
.price-unit { font-size: .875rem; color: var(--gray-500); font-weight: 700; }
.price-card--featured .price-amount { color: var(--gold); }
.price-card--featured .price-unit { color: rgba(255,255,255,.7); }
.price-card--featured .price-from { color: rgba(255,255,255,.7); }
.price-card--featured .price-amount-row { border-bottom-color: rgba(255,255,255,.18); }

.price-list { list-style: none; margin: 0 0 1.75rem; padding: 0; display: flex; flex-direction: column; gap: .7rem; flex: 1; }
.price-list li { display: flex; align-items: flex-start; gap: .6rem; font-size: .875rem; color: #374151; line-height: 1.45; }
.price-list li i { color: var(--gold); font-size: .8125rem; margin-top: .18rem; flex-shrink: 0; }
.price-list .price-list-off { color: var(--gray-500); }
.price-list .price-list-off i { color: var(--gray-400, #9ca3af); }
.price-card--featured .price-list li { color: rgba(255,255,255,.9); }
.price-card--featured .price-list li i { color: var(--gold); }

.price-cta { width: 100%; justify-content: center; margin-top: auto; }

.pricing-note {
  display: flex; align-items: flex-start; gap: .5rem; justify-content: center; text-align: left;
  max-width: 760px; margin: 1.5rem auto 0; font-size: .8125rem; color: var(--gray-500); line-height: 1.6;
}
.pricing-note i { color: var(--gold); margin-top: .15rem; flex-shrink: 0; }

@media (max-width: 900px) {
  .pricing-grid { grid-template-columns: 1fr; max-width: 440px; margin-inline: auto; gap: 2rem; }
  .price-card--featured { transform: none; }
  .price-card--featured:hover { transform: translateY(-6px); }
}

/* ══════════════════════════════════════════════
   BLOG — module chia sẻ kiến thức (bài viết mới)
══════════════════════════════════════════════ */
.blog-section { background: var(--white); }
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; margin: 3rem 0 2.5rem; }
.blog-card {
  display: flex; flex-direction: column; background: var(--white);
  border: 1px solid var(--gray-200); border-radius: var(--radius-xl); overflow: hidden;
  box-shadow: var(--shadow-card); transition: transform .4s cubic-bezier(.4,0,.2,1), box-shadow .4s ease;
}
.blog-card:hover { transform: translateY(-6px); box-shadow: 0 24px 44px -20px rgba(10,10,10,.4); }
.blog-card-media { display: block; aspect-ratio: 16/10; overflow: hidden; }
.blog-card-media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .7s cubic-bezier(.4,0,.2,1); }
.blog-card:hover .blog-card-media img { transform: scale(1.06); }
.blog-card-body { display: flex; flex-direction: column; flex: 1; padding: 1.375rem 1.375rem 1.5rem; }
.blog-card-meta { display: inline-flex; align-items: center; gap: .4rem; font-size: .75rem; font-weight: 700; color: var(--gold-dark); margin-bottom: .6rem; }
.blog-card-meta i { color: var(--gold); }
.blog-card-title { font-family: var(--font-display); font-size: 1.1875rem; font-weight: 700; line-height: 1.32; margin-bottom: .5rem; }
.blog-card-title a { color: var(--dark); transition: color .2s ease; }
.blog-card-title a:hover { color: var(--primary); }
.blog-card-desc {
  font-size: .875rem; color: var(--gray-500); line-height: 1.6; margin-bottom: 1rem;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.blog-card-more { margin-top: auto; display: inline-flex; align-items: center; gap: .45rem; font-size: .8125rem; font-weight: 800; color: var(--navy); }
.blog-card-more i { transition: transform .3s ease; }
.blog-card-more:hover i { transform: translateX(4px); }

@media (max-width: 900px) { .blog-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .blog-grid { grid-template-columns: 1fr; } }

/* ══════════════════════════════════════════════
   CHATBOT — làm nổi bật "Trợ lý AI"
══════════════════════════════════════════════ */
.cb-ai-tag {
  display: inline-flex; align-items: center; gap: .22rem; margin-left: .4rem; vertical-align: middle;
  padding: .08rem .42rem; border-radius: 999px; background: var(--gold); color: var(--dark);
  font-size: .625rem; font-weight: 800; letter-spacing: .05em; line-height: 1.4;
}
.cb-ai-tag i { font-size: .625rem; }