/* ═══════════════════════════════════════════════
   ECO CLEAN PRO — Stylesheet
   Theme: Light · Brand Blue · Cyan  |  Mobile-first
═══════════════════════════════════════════════ */

:root {
  /* Surfaces */
  --bg:         #eef4f9;   /* page background — soft cool white */
  --bg-band:    #e4eef6;   /* alternating section band */
  --surface:    #ffffff;   /* cards */
  --surface-2:  #f4f9fc;   /* subtle inset */
  --surface-3:  #eaf4fb;   /* brand-tinted inset */

  /* Ink */
  --ink:        #0f2839;   /* primary text — deep navy */
  --ink-2:      #3c576c;   /* secondary text */
  --muted:      #64809a;   /* tertiary / labels */

  /* Brand */
  --brand:      #1577be;   /* deep brand blue */
  --brand-dark: #0d5a93;   /* darker blue — text accents on light */
  --brand-2:    #2bb3e0;   /* cyan */
  --brand-soft: rgba(21,119,190,0.08);

  /* Lines & status */
  --border:     rgba(15,60,95,0.12);
  --border-mid: rgba(21,119,190,0.28);
  --error:      #d64545;

  --font-heading: 'Poppins', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body:    'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  32px;
  --space-xl:  64px;
  --space-2xl: 110px;

  --max-width:  1200px;
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;

  --nav-height:  74px;
  --transition:  0.2s ease;
  --card-height: 480px;

  --shadow-sm: 0 4px 16px rgba(15,40,65,0.06);
  --shadow-md: 0 14px 40px rgba(15,40,65,0.10);
  --shadow-glow: 0 16px 44px rgba(43,179,224,0.22);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-body); background-color: var(--bg); color: var(--ink); line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img, video, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: var(--radius-sm); }

.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-md); }

/* Scroll-reveal */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.4,0.2,0.2,1); }
.reveal.in { opacity: 1; transform: none; }

/* Buttons */
.btn { display: inline-block; padding: 13px 30px; border-radius: 999px; font-family: var(--font-body); font-size: 14px; font-weight: 600; letter-spacing: 0.04em; cursor: pointer; border: none; transition: background var(--transition), transform var(--transition), box-shadow var(--transition); }
.btn-primary { background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%); color: #fff; box-shadow: 0 6px 18px rgba(21,119,190,0.28); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(43,179,224,0.40); }
.btn-ghost { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; letter-spacing: 0.04em; color: var(--brand-dark); padding: 13px 6px; background: none; border: none; cursor: pointer; }
.btn-ghost::after { content: '→'; transition: transform var(--transition); }
.btn-ghost:hover { color: var(--brand); }
.btn-ghost:hover::after { transform: translateX(4px); }

/* ═══════════════════════════════════════════════
   QUOTE MODAL
═══════════════════════════════════════════════ */
.modal-overlay { position: fixed; inset: 0; z-index: 2000; display: flex; align-items: center; justify-content: center; padding: var(--space-md); background: rgba(15,40,65,0.45); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); opacity: 0; visibility: hidden; transition: opacity 0.3s ease, visibility 0.3s ease; }
.modal-overlay.is-open { opacity: 1; visibility: visible; }
body.modal-open { overflow: hidden; }
.modal-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); width: 100%; max-width: 620px; max-height: 92vh; display: flex; flex-direction: column; box-shadow: 0 40px 100px rgba(15,40,65,0.30); transform: translateY(24px); transition: transform 0.35s cubic-bezier(0.4,0.2,0.2,1); overflow: hidden; }
.modal-overlay.is-open .modal-card { transform: translateY(0); }
.modal-header { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-md); padding: var(--space-lg) var(--space-lg) var(--space-md); flex-shrink: 0; border-bottom: 1px solid var(--border); background: linear-gradient(180deg, var(--surface-3), var(--surface)); }
.modal-eyebrow { font-size: 11px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--brand); margin-bottom: 4px; }
.modal-title { font-family: var(--font-heading); font-size: 22px; font-weight: 700; color: var(--ink); letter-spacing: -0.01em; line-height: 1.2; }
.modal-close { width: 36px; height: 36px; flex-shrink: 0; background: var(--surface-2); border: 1px solid var(--border); border-radius: 50%; color: var(--muted); font-size: 15px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background var(--transition), color var(--transition), transform var(--transition); }
.modal-close:hover { background: var(--brand-soft); color: var(--brand); transform: rotate(90deg); }
.modal-body { overflow-y: auto; overflow-x: hidden; padding: var(--space-lg); flex: 1; scrollbar-width: thin; scrollbar-color: var(--border-mid) transparent; }
.modal-body::-webkit-scrollbar { width: 6px; }
.modal-body::-webkit-scrollbar-track { background: transparent; }
.modal-body::-webkit-scrollbar-thumb { background: var(--border-mid); border-radius: 6px; }
.modal-body.is-fading-out { opacity: 0; pointer-events: none; transition: opacity 0.3s ease; }
.quote-form { display: flex; flex-direction: column; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-row--three { grid-template-columns: 1fr 1fr 1fr; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group[hidden] { display: none; }
.form-label { font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-2); }
.req { color: var(--brand); }
.form-section-title { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--brand); padding-bottom: 6px; border-bottom: 1px solid var(--border); margin-top: var(--space-xs); }
.form-input { background: var(--surface-2); border: 1.5px solid var(--border); border-radius: var(--radius-sm); padding: 11px 13px; font-family: var(--font-body); font-size: 14px; color: var(--ink); transition: border-color var(--transition), background var(--transition), box-shadow var(--transition); outline: none; width: 100%; }
.form-input::placeholder { color: #9bb0c2; }
.form-input:focus { border-color: var(--brand); background: #fff; box-shadow: 0 0 0 3px rgba(21,119,190,0.12); }
.form-input.is-invalid { border-color: var(--error); }
.form-textarea { resize: vertical; min-height: 88px; line-height: 1.6; }
.form-select { appearance: none; -webkit-appearance: none; cursor: pointer; padding-right: 38px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%231577be' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 13px center; }
.form-select:disabled { opacity: 0.55; cursor: not-allowed; }
.form-select option { color: var(--ink); }
.form-error { font-size: 11px; color: var(--error); min-height: 14px; display: block; }
.form-fieldset { border: 1px solid var(--border); border-radius: var(--radius-md); padding: var(--space-md); display: flex; flex-direction: column; gap: var(--space-sm); }
.form-legend { font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-2); display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-bottom: 6px; padding: 0 4px; }
.form-legend-sub { font-size: 10px; color: var(--muted); font-weight: 500; letter-spacing: 0.02em; text-transform: none; }
.form-fieldset--consent { background: var(--surface-2); }
.form-fieldset--area { background: var(--surface-3); border-color: var(--border-mid); }
.form-checkboxes { display: flex; flex-direction: column; gap: 10px; }
.form-checkbox-label { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; }
.form-checkbox { position: absolute; opacity: 0; width: 0; height: 0; }
.form-checkbox-custom { flex-shrink: 0; width: 18px; height: 18px; border: 1.5px solid var(--border-mid); border-radius: 4px; background: #fff; display: flex; align-items: center; justify-content: center; margin-top: 2px; transition: border-color var(--transition), background var(--transition); }
.form-checkbox:checked + .form-checkbox-custom { background: var(--brand); border-color: var(--brand); }
.form-checkbox:checked + .form-checkbox-custom::after { content: '✓'; font-size: 11px; color: #fff; font-weight: 700; line-height: 1; }
.form-checkbox:focus-visible + .form-checkbox-custom { outline: 2px solid var(--brand); outline-offset: 2px; }
.form-checkbox-text { font-size: 13px; color: var(--ink-2); line-height: 1.5; }
.form-checkbox-text strong { color: var(--ink); }
.form-link { color: var(--brand); text-decoration: underline; text-underline-offset: 2px; }
.form-link:hover { color: var(--brand-dark); }
.area-notice { display: flex; align-items: flex-start; gap: 10px; background: #fff; border: 1px solid var(--border-mid); border-radius: var(--radius-sm); padding: 12px 14px; margin-top: var(--space-sm); animation: fadeUp 0.3s ease forwards; }
.area-notice[hidden] { display: none; }
.area-notice-icon { font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.area-notice p { font-size: 13px; color: var(--ink-2); line-height: 1.55; }
.area-notice strong { color: var(--ink); }
.form-submit { width: 100%; padding: 15px; font-size: 15px; margin-top: var(--space-xs); }
.form-submit:disabled { opacity: 0.55; cursor: not-allowed; transform: none; box-shadow: none; }

/* SUCCESS VIEW */
.modal-success-view { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: var(--space-xl) var(--space-lg); flex: 1; text-align: center; gap: var(--space-md); opacity: 0; }
.modal-success-view[hidden] { display: none; }
.modal-success-view.is-visible { animation: successFadeUp 0.5s ease forwards; }
@keyframes successFadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
.success-icon-wrap { position: relative; width: 80px; height: 80px; margin-bottom: var(--space-sm); flex-shrink: 0; }
.success-icon-ring { position: absolute; inset: 0; border-radius: 50%; border: 3px solid rgba(43,179,224,0.45); background: rgba(43,179,224,0.12); animation: ringPop 0.5s cubic-bezier(0.34,1.56,0.64,1) forwards; }
@keyframes ringPop { from { transform: scale(0.6); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.success-icon-check { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 34px; color: var(--brand); animation: checkPop 0.4s cubic-bezier(0.34,1.56,0.64,1) forwards 0.15s; opacity: 0; }
@keyframes checkPop { from { transform: scale(0.4) rotate(-20deg); opacity: 0; } to { transform: scale(1) rotate(0deg); opacity: 1; } }
.success-title { font-family: var(--font-heading); font-size: 28px; font-weight: 700; color: var(--ink); letter-spacing: -0.02em; }
.success-subtitle { font-size: 15px; color: var(--ink-2); line-height: 1.6; max-width: 360px; }
.success-subtitle strong { color: var(--ink); }
.success-steps { width: 100%; max-width: 400px; background: var(--surface-3); border: 1px solid var(--border); border-radius: var(--radius-md); padding: var(--space-md) var(--space-lg); text-align: left; margin-top: var(--space-sm); }
.success-steps-label { font-family: var(--font-heading); font-size: 14px; font-weight: 700; color: var(--brand); margin-bottom: var(--space-md); }
.success-step { display: flex; align-items: flex-start; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); opacity: 0; transform: translateX(-12px); transition: opacity 0.4s ease, transform 0.4s ease; }
.success-step:last-child { border-bottom: none; }
.success-step.is-visible { opacity: 1; transform: translateX(0); }
.success-step-icon { color: var(--brand); font-size: 14px; font-weight: 700; flex-shrink: 0; margin-top: 1px; }
.success-step-text { font-size: 14px; color: var(--ink-2); line-height: 1.5; }
.success-close-btn { margin-top: var(--space-sm); padding: 13px 48px; }

/* ═══════════════════════════════════════════════
   NAVIGATION
═══════════════════════════════════════════════ */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; height: var(--nav-height); transition: box-shadow var(--transition); }
.navbar { height: 100%; background: rgba(255,255,255,0.85); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); }
.nav-container { height: var(--nav-height); max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-lg); display: flex; align-items: center; justify-content: space-between; gap: var(--space-lg); }
.nav-logo { display: flex; align-items: center; flex-shrink: 0; transition: opacity var(--transition); }
.nav-logo img { height: 48px; width: auto; }
.nav-logo:hover { opacity: 0.85; }
.nav-links { display: none; align-items: center; gap: var(--space-lg); }
.nav-link { font-size: 14px; font-weight: 500; color: var(--ink-2); letter-spacing: 0.01em; transition: color var(--transition); position: relative; padding-bottom: 2px; }
.nav-link::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background: linear-gradient(90deg, var(--brand), var(--brand-2)); transition: width var(--transition); border-radius: 2px; }
.nav-link:hover, .nav-link.active { color: var(--brand); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.hamburger { display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 38px; height: 38px; background: none; border: 1px solid var(--border); border-radius: var(--radius-sm); cursor: pointer; padding: 7px; transition: border-color var(--transition); }
.hamburger:hover { border-color: var(--brand); }
.hamburger-line { display: block; width: 100%; height: 2px; background: var(--brand); border-radius: 2px; transition: transform var(--transition), opacity var(--transition); }
.hamburger[aria-expanded="true"] .hamburger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] .hamburger-line:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] .hamburger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu { display: none; background: var(--surface); border-top: 1px solid var(--border); padding: var(--space-md) var(--space-lg) var(--space-lg); box-shadow: var(--shadow-md); }
.mobile-menu.open { display: block; }
.mobile-nav-links { display: flex; flex-direction: column; gap: var(--space-sm); }
.mobile-nav-link { display: block; padding: 12px 0; font-size: 16px; font-weight: 500; color: var(--ink-2); border-bottom: 1px solid var(--border); transition: color var(--transition); }
.mobile-nav-link:hover { color: var(--brand); }
.mobile-cta { display: block; text-align: center; margin-top: var(--space-md); width: 100%; }

/* ═══════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════ */
.hero { position: relative; min-height: 100vh; padding-top: var(--nav-height); display: flex; align-items: center; overflow: hidden; background: linear-gradient(180deg, #ffffff 0%, var(--bg) 60%); }
.hero-container { display: flex; align-items: center; justify-content: space-between; gap: var(--space-xl); padding-top: var(--space-xl); padding-bottom: var(--space-xl); }
.hero-bg { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(90px); }
.hero-orb--1 { width: 620px; height: 620px; background: var(--brand-2); top: -160px; right: -120px; opacity: 0.16; }
.hero-orb--2 { width: 440px; height: 440px; background: var(--brand); bottom: -120px; left: -80px; opacity: 0.10; }
.hero-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(21,119,190,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(21,119,190,0.05) 1px, transparent 1px); background-size: 64px 64px; mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 80%); -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 80%); }
.hero-content { position: relative; z-index: 1; flex: 1; max-width: 580px; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: var(--space-sm); font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--brand-dark); margin-bottom: var(--space-lg); padding: 7px 16px; background: var(--surface); border: 1px solid var(--border); border-radius: 999px; box-shadow: var(--shadow-sm); opacity: 0; animation: fadeUp 0.6s ease forwards 0.1s; }
.eyebrow-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--brand-2); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity:1; transform:scale(1); } 50% { opacity:0.5; transform:scale(0.8); } }
.hero-title { font-family: var(--font-heading); font-size: clamp(42px, 5.5vw, 74px); font-weight: 700; line-height: 1.06; letter-spacing: -0.02em; color: var(--ink); margin-bottom: var(--space-lg); opacity: 0; animation: fadeUp 0.6s ease forwards 0.2s; }
.hero-title-accent { font-style: normal; background: linear-gradient(120deg, var(--brand) 0%, var(--brand-2) 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-subtitle { font-size: 18px; line-height: 1.7; color: var(--ink-2); max-width: 460px; margin-bottom: var(--space-lg); opacity: 0; animation: fadeUp 0.6s ease forwards 0.3s; }
.hero-actions { display: flex; align-items: center; gap: var(--space-md); flex-wrap: wrap; margin-bottom: var(--space-xl); opacity: 0; animation: fadeUp 0.6s ease forwards 0.4s; }
.hero-btn-main { padding: 15px 38px; font-size: 15px; }
.hero-stats { display: flex; align-items: center; gap: var(--space-lg); flex-wrap: wrap; padding-top: var(--space-lg); border-top: 1px solid var(--border); opacity: 0; animation: fadeUp 0.6s ease forwards 0.5s; }
.hero-stat { display: flex; flex-direction: column; gap: 4px; }
.stat-value { font-family: var(--font-heading); font-size: 28px; font-weight: 700; color: var(--brand); line-height: 1; }
.stat-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.hero-stat-divider { width: 1px; height: 38px; background: var(--border); }
.hero-visual { position: relative; z-index: 1; flex-shrink: 0; width: 360px; height: 420px; opacity: 0; animation: fadeUp 0.7s ease forwards 0.35s; }
.hero-card { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 290px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-lg); text-align: center; box-shadow: var(--shadow-md); animation: ecpGlow 5s ease-in-out infinite; }
.hero-card-icon { font-size: 30px; color: var(--brand-2); margin-bottom: var(--space-md); }
.hero-card-line { width: 44px; height: 3px; background: linear-gradient(90deg, var(--brand), var(--brand-2)); margin: 0 auto var(--space-md); border-radius: 2px; }
.hero-card-text { font-family: var(--font-heading); font-size: 19px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.hero-card-sub { font-size: 13px; color: var(--muted); line-height: 1.6; margin-bottom: var(--space-md); }
.hero-card-badges { display: flex; flex-direction: column; gap: 8px; margin-top: var(--space-md); }
.badge { display: inline-block; padding: 7px 14px; border-radius: 999px; font-size: 12px; font-weight: 600; letter-spacing: 0.02em; }
.badge--green { background: rgba(34,160,120,0.12); color: #1f9d73; border: 1px solid rgba(34,160,120,0.28); }
.badge--gold  { background: var(--brand-soft); color: var(--brand-dark); border: 1px solid var(--border-mid); }
.badge--blue  { background: rgba(43,179,224,0.12); color: #1190bd; border: 1px solid rgba(43,179,224,0.30); }
.hero-floating-tag { position: absolute; background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: 9px 16px; font-size: 13px; font-weight: 600; color: var(--ink); display: flex; align-items: center; gap: 6px; white-space: nowrap; box-shadow: var(--shadow-md); }
.hero-floating-tag--1 { top: 18px; left: -20px; animation: float 4s ease-in-out infinite; }
.hero-floating-tag--2 { top: 50%; right: -24px; animation: float 4s ease-in-out infinite 1.3s; }
.hero-floating-tag--3 { bottom: 22px; left: 0; animation: float 4s ease-in-out infinite 2.6s; }
@keyframes float { 0%,100% { transform:translateY(0); } 50% { transform:translateY(-9px); } }
@keyframes fadeUp { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }
@keyframes ecpGlow {
  0%, 100% { box-shadow: var(--shadow-sm); }
  50%      { box-shadow: var(--shadow-glow); }
}

/* SHARED SECTION STYLES */
.section-header { text-align: center; max-width: 660px; margin: 0 auto var(--space-xl); }
.section-eyebrow { display: inline-flex; align-items: center; gap: var(--space-sm); font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--brand-dark); margin-bottom: var(--space-md); }
.section-title { font-family: var(--font-heading); font-size: clamp(32px,4vw,50px); font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; color: var(--ink); margin-bottom: var(--space-md); }
.section-title-accent { font-style: normal; background: linear-gradient(120deg, var(--brand) 0%, var(--brand-2) 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.section-subtitle { font-size: 17px; line-height: 1.7; color: var(--ink-2); }
.flip-hint-global { font-size: 13px; color: var(--brand); font-weight: 600; letter-spacing: 0.02em; margin-top: var(--space-md); }

/* ═══════════════════════════════════════════════
   SERVICES
═══════════════════════════════════════════════ */
.services { padding: var(--space-2xl) 0; position: relative; }
.services-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-lg); }
.flip-card { height: var(--card-height); perspective: 1400px; cursor: pointer; outline: none; }
.flip-card:focus-visible { outline: 2px solid var(--brand); outline-offset: 4px; border-radius: var(--radius-lg); }
.flip-card-inner { position: relative; width: 100%; height: 100%; transform-style: preserve-3d; transition: transform 0.7s cubic-bezier(0.4,0.2,0.2,1); border-radius: var(--radius-lg); }
.flip-card.is-flipped .flip-card-inner { transform: rotateY(180deg); }
.flip-card-front, .flip-card-back { position: absolute; inset: 0; border-radius: var(--radius-lg); backface-visibility: hidden; -webkit-backface-visibility: hidden; overflow: hidden; }
.flip-card-front { background: var(--surface); border: 1px solid var(--border); padding: var(--space-lg); display: flex; flex-direction: column; animation: ecpGlow 4.5s ease-in-out infinite; }
.flip-card:nth-child(2) .flip-card-front { animation-delay: 1.5s; }
.flip-card:nth-child(3) .flip-card-front { animation-delay: 3s; }
.flip-card:hover .flip-card-front { animation: none; border-color: var(--border-mid); box-shadow: var(--shadow-glow); transform: translateY(-4px); transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease; }
.flip-card--featured .flip-card-front { border-color: var(--border-mid); background: linear-gradient(160deg, #ffffff 0%, var(--surface-3) 100%); }

/* Card back */
.flip-card-back { border: 1px solid var(--border-mid); transform: rotateY(180deg); display: flex; flex-direction: column; position: absolute; inset: 0; height: 100%; background: var(--surface); }
.flip-card:nth-child(1) .flip-card-back { background-image: linear-gradient(rgba(244,249,252,0.94), rgba(244,249,252,0.96)), url('images/residential.png'); background-size: cover; background-position: center; }
.flip-card:nth-child(2) .flip-card-back { background-image: linear-gradient(rgba(244,249,252,0.94), rgba(244,249,252,0.96)), url('images/office.png'); background-size: cover; background-position: center; }
.flip-card:nth-child(3) .flip-card-back { background-image: linear-gradient(rgba(244,249,252,0.94), rgba(244,249,252,0.96)), url('images/postConstruction.png'); background-size: cover; background-position: center; }
.back-scroll { flex: 1; min-height: 0; overflow-y: auto; overflow-x: hidden; padding: var(--space-lg); padding-top: 56px; scrollbar-width: thin; scrollbar-color: var(--border-mid) transparent; position: relative; z-index: 1; }
.back-scroll::-webkit-scrollbar { width: 5px; }
.back-scroll::-webkit-scrollbar-thumb { background: var(--border-mid); border-radius: 5px; }
.flip-close { position: absolute; top: var(--space-md); right: var(--space-md); width: 34px; height: 34px; background: #fff; border: 1px solid var(--border-mid); border-radius: 50%; color: var(--brand); font-size: 14px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background var(--transition), transform var(--transition); z-index: 2; box-shadow: var(--shadow-sm); }
.flip-close:hover { background: var(--brand-soft); transform: rotate(90deg); }
.back-icon-wrap { font-size: 30px; margin-bottom: var(--space-sm); }
.back-title { font-family: var(--font-heading); font-size: 21px; font-weight: 700; color: var(--brand-dark); margin-bottom: var(--space-md); letter-spacing: -0.01em; }
.back-section { margin-bottom: var(--space-md); }
.back-section-label { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--brand); margin-bottom: 8px; }
.back-features { display: flex; flex-direction: column; gap: 7px; }
.back-features li { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; color: var(--ink-2); line-height: 1.4; }
.feature-check { color: var(--brand-2); font-weight: 700; font-size: 12px; flex-shrink: 0; margin-top: 1px; }
.back-note { font-size: 13px; line-height: 1.6; color: var(--ink-2); }
.service-number { position: absolute; bottom: var(--space-lg); right: var(--space-lg); font-family: var(--font-heading); font-size: 88px; font-weight: 700; color: rgba(21,119,190,0.06); line-height: 1; pointer-events: none; user-select: none; transition: color 0.3s; }
.flip-card:hover .service-number { color: rgba(21,119,190,0.10); }
.service-icon-wrap { width: 58px; height: 58px; background: linear-gradient(135deg, var(--brand-soft), rgba(43,179,224,0.14)); border: 1px solid var(--border-mid); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; margin-bottom: var(--space-md); transition: transform var(--transition); }
.flip-card:hover .service-icon-wrap { transform: scale(1.06); }
.service-icon { font-size: 28px; }
.service-title { font-family: var(--font-heading); font-size: 23px; font-weight: 700; color: var(--ink); margin-bottom: var(--space-sm); letter-spacing: -0.01em; }
.service-desc { font-size: 14px; line-height: 1.65; color: var(--ink-2); margin-bottom: var(--space-md); flex: 1; }
.flip-card-preview { display: flex; flex-direction: column; gap: 6px; margin-bottom: var(--space-md); }
.preview-item { font-size: 13px; color: var(--muted); }
.flip-indicator { display: flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--brand); margin-top: auto; padding-top: var(--space-md); border-top: 1px solid var(--border); transition: gap var(--transition); }
.flip-card:hover .flip-indicator { gap: 12px; }
.flip-indicator-icon { font-size: 18px; display: inline-block; transition: transform 0.4s ease; }
.flip-card:hover .flip-indicator-icon { transform: rotate(180deg); }
.services-cta-strip { margin-top: var(--space-xl); border-radius: var(--radius-lg); background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%); padding: var(--space-lg) var(--space-xl); position: relative; overflow: hidden; box-shadow: 0 18px 50px rgba(21,119,190,0.25); }
.services-cta-strip::before { content: ''; position: absolute; top: -60px; right: -60px; width: 220px; height: 220px; background: radial-gradient(circle, rgba(255,255,255,0.18) 0%, transparent 70%); pointer-events: none; }
.services-cta-strip-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-lg); flex-wrap: wrap; position: relative; z-index: 1; }
.services-cta-text { flex: 1; min-width: 220px; }
.services-cta-heading { font-family: var(--font-heading); font-size: 23px; font-weight: 700; color: #fff; margin-bottom: 6px; letter-spacing: -0.01em; }
.services-cta-sub { font-size: 14px; color: rgba(255,255,255,0.88); line-height: 1.6; max-width: 440px; }
.services-cta-actions { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; flex-shrink: 0; }
.services-cta-btn { padding: 14px 40px; font-size: 15px; white-space: nowrap; background: #fff; color: var(--brand-dark); box-shadow: 0 8px 24px rgba(0,0,0,0.15); }
.services-cta-btn:hover { background: #fff; }
.services-cta-note { font-size: 12px; color: rgba(255,255,255,0.85); letter-spacing: 0.02em; }

/* ═══════════════════════════════════════════════
   ABOUT
═══════════════════════════════════════════════ */
.about { padding: var(--space-2xl) 0; position: relative; background: var(--bg-band); }
.about-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-xl); align-items: center; }
.about-content { display: flex; flex-direction: column; gap: var(--space-lg); }
.about-title { font-family: var(--font-heading); font-size: clamp(34px,4.5vw,54px); font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; color: var(--ink); }
.about-title-accent { font-style: normal; background: linear-gradient(120deg, var(--brand) 0%, var(--brand-2) 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.about-body { display: flex; flex-direction: column; gap: var(--space-md); }
.about-body p { font-size: 16px; line-height: 1.75; color: var(--ink-2); }
.about-body p:first-child { font-size: 18px; color: var(--ink); }
.about-pillars { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); margin-top: var(--space-sm); }
.about-pillar { display: flex; align-items: flex-start; gap: 12px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: var(--space-md); transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition); }
.about-pillar:hover { border-color: var(--border-mid); box-shadow: var(--shadow-sm); transform: translateY(-3px); }
.about-pillar-icon { font-size: 22px; flex-shrink: 0; margin-top: 2px; }
.about-pillar-title { font-size: 14px; font-weight: 700; color: var(--ink); margin-bottom: 3px; }
.about-pillar-desc { font-size: 13px; color: var(--muted); line-height: 1.5; }
.about-visual { position: relative; }
.about-img-wrap { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.about-img { width: 100%; height: 520px; object-fit: cover; object-position: center; display: block; border-radius: var(--radius-lg); transition: transform 0.5s ease; }
.about-img-wrap:hover .about-img { transform: scale(1.03); }
.about-promise { position: absolute; bottom: var(--space-lg); left: var(--space-lg); right: var(--space-lg); background: rgba(255,255,255,0.92); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border: 1px solid var(--border); border-radius: var(--radius-md); padding: var(--space-md) var(--space-lg); box-shadow: var(--shadow-sm); }
.about-promise-mark { display: block; font-family: var(--font-heading); font-size: 44px; line-height: 1; color: var(--brand-2); margin-bottom: 4px; }
.about-promise-text { font-family: var(--font-heading); font-size: 15px; font-weight: 500; color: var(--ink); line-height: 1.55; margin-bottom: var(--space-sm); }
.about-promise-brand { font-size: 12px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--brand); }

/* ═══════════════════════════════════════════════
   LOCATIONS
═══════════════════════════════════════════════ */
.locations { padding: var(--space-2xl) 0; position: relative; }
.locations-cards { display: grid; grid-template-columns: 1fr; gap: var(--space-lg); }
.location-card { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition); }
.location-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--border-mid); }
.location-card-banner { position: relative; height: 150px; display: flex; align-items: flex-end; padding: var(--space-md) var(--space-lg); background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%); overflow: hidden; }
.location-card-banner::after { content: attr(data-emoji); position: absolute; right: 4px; top: -22px; font-size: 130px; line-height: 1; opacity: 0.20; pointer-events: none; }
.location-card-flag { position: relative; z-index: 1; display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.92); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); border-radius: 999px; padding: 6px 14px; font-size: 13px; font-weight: 700; color: var(--ink); box-shadow: var(--shadow-sm); }
.location-card-body { padding: var(--space-lg); display: flex; flex-direction: column; gap: var(--space-md); }
.location-card-city { font-family: var(--font-heading); font-size: 24px; font-weight: 700; color: var(--ink); letter-spacing: -0.01em; }
.location-card-region { font-size: 13px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--brand); margin-top: 2px; }
.location-card-desc { font-size: 14px; line-height: 1.65; color: var(--ink-2); }
.location-cities-label { font-size: 10px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.location-cities { display: flex; flex-wrap: wrap; gap: 7px; }
.location-cities li { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--ink-2); background: var(--surface-3); border: 1px solid var(--border); border-radius: 999px; padding: 5px 12px; }
.location-card-cta { margin-top: var(--space-xs); width: fit-content; padding: 11px 26px; font-size: 13px; }

/* ═══════════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════════ */
.contact { padding: var(--space-2xl) 0; position: relative; background: var(--bg-band); }
.contact-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-xl); align-items: start; }
.contact-content { display: flex; flex-direction: column; gap: var(--space-lg); }
.contact-title { font-family: var(--font-heading); font-size: clamp(32px, 4vw, 50px); font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; color: var(--ink); }
.contact-title-accent { font-style: normal; background: linear-gradient(120deg, var(--brand) 0%, var(--brand-2) 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.contact-intro { font-size: 17px; line-height: 1.7; color: var(--ink-2); max-width: 480px; }
.contact-details { display: flex; flex-direction: column; gap: var(--space-md); }
.contact-detail { display: flex; align-items: flex-start; gap: var(--space-md); padding: var(--space-md); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); transition: border-color var(--transition), box-shadow var(--transition); }
.contact-detail:hover { border-color: var(--border-mid); box-shadow: var(--shadow-sm); }
.contact-detail-icon { font-size: 18px; flex-shrink: 0; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--brand-soft), rgba(43,179,224,0.14)); border: 1px solid var(--border-mid); border-radius: var(--radius-sm); color: var(--brand-dark); }
.contact-detail-label { font-size: 10px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.contact-detail-value { font-size: 15px; font-weight: 500; color: var(--ink); transition: color var(--transition); }
a.contact-detail-value:hover { color: var(--brand); }
.contact-trust { display: flex; flex-wrap: wrap; gap: var(--space-sm); padding-top: var(--space-sm); }
.contact-trust-item { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; color: var(--ink-2); background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: 7px 14px; letter-spacing: 0.02em; }
.contact-cta-card { background: linear-gradient(160deg, var(--surface) 0%, var(--surface-3) 100%); border: 1px solid var(--border-mid); border-radius: var(--radius-lg); overflow: hidden; position: relative; box-shadow: var(--shadow-md); }
.contact-cta-card--solo { max-width: 580px; margin: 0 auto; }
.contact-cta-card::before { content: ''; position: absolute; top: -80px; right: -80px; width: 240px; height: 240px; background: radial-gradient(circle, rgba(43,179,224,0.12) 0%, transparent 70%); pointer-events: none; }
.contact-cta-card-inner { padding: var(--space-lg) var(--space-xl); display: flex; flex-direction: column; gap: var(--space-md); position: relative; z-index: 1; }
.contact-cta-icon { font-size: 30px; color: var(--brand-2); }
.contact-cta-title { font-family: var(--font-heading); font-size: 26px; font-weight: 700; color: var(--ink); letter-spacing: -0.01em; }
.contact-cta-desc { font-size: 15px; line-height: 1.65; color: var(--ink-2); }
.contact-cta-points { display: flex; flex-direction: column; gap: 10px; padding: var(--space-md) 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.contact-cta-points li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--ink-2); }
.contact-cta-check { color: var(--brand-2); font-weight: 700; font-size: 13px; flex-shrink: 0; }
.contact-cta-btn { width: 100%; text-align: center; padding: 15px; font-size: 15px; }
.contact-cta-note { font-size: 13px; color: var(--muted); text-align: center; }

/* ═══════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════ */
.site-footer { background: #0f2839; color: #cdddea; padding: var(--space-xl) 0 0; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-xl); padding-bottom: var(--space-xl); }
.footer-brand { display: flex; flex-direction: column; gap: var(--space-sm); align-items: flex-start; }
.footer-logo { display: inline-flex; }
.footer-logo img { height: 52px; width: auto; }
.footer-logo-img { filter: brightness(0) invert(1); }
.footer-tagline { font-size: 14px; color: #9fb6c8; margin-top: 8px; }
.footer-entity { font-size: 12px; color: #7e98ab; margin-top: var(--space-sm); line-height: 1.5; }
.footer-nav { display: flex; flex-direction: column; gap: var(--space-sm); }
.footer-nav-title { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--brand-2); margin-bottom: var(--space-sm); }
.footer-nav ul { display: flex; flex-direction: column; gap: 8px; }
.footer-nav-link { font-size: 14px; color: #aec3d3; transition: color var(--transition); }
.footer-nav-link:hover { color: #fff; }
.footer-contact { display: flex; flex-direction: column; gap: var(--space-sm); }
.footer-email { font-size: 14px; color: var(--brand-2); text-decoration: underline; text-underline-offset: 3px; transition: opacity var(--transition); }
.footer-email:hover { opacity: 0.8; }
.footer-area { font-size: 13px; color: #9fb6c8; margin-top: 4px; line-height: 1.6; }
.footer-cta { margin-top: var(--space-md); padding: 12px 28px; font-size: 13px; width: fit-content; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.10); padding: var(--space-md) 0; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-md); }
.footer-copy { font-size: 13px; color: #7e98ab; }
.footer-legal { display: flex; align-items: center; gap: var(--space-sm); }
.footer-legal-link { font-size: 13px; color: #9fb6c8; text-decoration: underline; text-underline-offset: 2px; transition: color var(--transition); }
.footer-legal-link:hover { color: var(--brand-2); }
.footer-legal-sep { color: #7e98ab; opacity: 0.6; }
.footer-instagram { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: #aec3d3; margin-top: 4px; transition: color var(--transition); }
.footer-instagram:hover { color: var(--brand-2); }

/* Honeypot */
.form-honeypot { position: absolute; left: -9999px; top: -9999px; width: 1px; height: 1px; overflow: hidden; opacity: 0; pointer-events: none; }

/* ═══════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════ */
@media (min-width: 768px) {
  .container { padding: 0 var(--space-lg); }
  .services-grid { grid-template-columns: repeat(2,1fr); }
  .locations-cards { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1.2fr; }
}
@media (min-width: 1024px) {
  .nav-links { display: flex; }
  .hamburger { display: none; }
  .mobile-menu { display: none !important; }
  .services-grid { grid-template-columns: repeat(3,1fr); }
  .about-grid { grid-template-columns: 1fr 1fr; gap: var(--space-2xl); }
  .contact-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 1023px) {
  .hero-container { flex-direction: column; text-align: center; padding-top: calc(var(--space-xl) + 20px); }
  .hero-content { max-width: 100%; }
  .hero-eyebrow, .hero-actions, .hero-stats { justify-content: center; }
  .hero-subtitle { margin: 0 auto var(--space-lg); }
  .hero-visual { width: 300px; height: 340px; }
  .services-cta-strip { padding: var(--space-lg); }
  .services-cta-strip-inner { flex-direction: column; align-items: flex-start; }
  .services-cta-actions { align-items: flex-start; }
  .about-grid { grid-template-columns: 1fr; }
  .about-img { height: 380px; }
}
@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
  .form-row--three { grid-template-columns: 1fr; }
  .modal-card { max-height: 95vh; }
  .about-pillars { grid-template-columns: 1fr; }
  .about-img { height: 280px; }
  .about-promise { left: var(--space-md); right: var(--space-md); bottom: var(--space-md); }
  .locations-cards { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .hero-stat-divider { display: none; }
  .hero-stats { gap: var(--space-md); }
  .hero-visual { display: none; }
  :root { --card-height: 500px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}