/* ============================================================
   DigiTech Team — Main Stylesheet
   ============================================================ */

/* ── GOOGLE FONTS ── */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

/* ── CSS VARIABLES ── */
:root {
  --teal:        #1ab8b8;
  --teal-dark:   #0e9898;
  --teal-mid:    #2dc8c8;
  --teal-light:  #e6f9f9;
  --teal-border: rgba(26,184,184,0.22);

  --white:       #ffffff;
  --bg:          #f8fafa;
  --bg2:         #f0f7f7;
  --card:        #ffffff;

  --text:        #1a2e2e;
  --text-muted:  #5a7878;
  --text-dim:    #8aacac;

  --border:      #e0eeee;
  --border2:     #d0e8e8;

  --shadow:       0 2px 16px rgba(26,184,184,0.08);
  --shadow-md:    0 4px 24px rgba(26,184,184,0.12);
  --shadow-hover: 0 8px 36px rgba(26,184,184,0.18);

  --radius-sm:   8px;
  --radius:      12px;
  --radius-lg:   18px;
  --radius-xl:   24px;

  --header-h:    70px;
  --transition:  0.22s ease;
}

/* ── RESET ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--teal); border-radius: 4px; }

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4, h5 { font-family: 'Outfit', sans-serif; color: var(--text); line-height: 1.2; }

/* ── UTILITY ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 48px; }
.section    { padding: 80px 0; }
.section-sm { padding: 50px 0; }
.text-teal  { color: var(--teal); }
.text-muted { color: var(--text-muted); }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 26px; border-radius: var(--radius-sm);
  font-family: 'Outfit', sans-serif; font-size: 14px; font-weight: 600;
  letter-spacing: 0.2px; transition: all var(--transition); cursor: pointer; border: none;
}
.btn-primary {
  background: var(--teal); color: #fff;
  box-shadow: 0 4px 18px rgba(26,184,184,0.35);
}
.btn-primary:hover { background: var(--teal-dark); transform: translateY(-2px); box-shadow: 0 8px 26px rgba(26,184,184,0.42); }
.btn-outline {
  background: #fff; color: var(--text);
  border: 1.5px solid var(--border2);
}
.btn-outline:hover { border-color: var(--teal); color: var(--teal); background: var(--teal-light); }
.btn-sm { padding: 9px 18px; font-size: 12px; }
.btn-lg { padding: 15px 34px; font-size: 15px; }

/* ── SECTION HEADINGS ── */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 700; color: var(--teal);
  letter-spacing: 3px; text-transform: uppercase; margin-bottom: 10px;
}
.eyebrow::before { content: ''; width: 20px; height: 2px; background: var(--teal); border-radius: 2px; }
.section-title { font-size: 36px; font-weight: 700; margin-bottom: 12px; letter-spacing: -0.5px; }
.section-desc  { font-size: 15px; color: var(--text-muted); max-width: 520px; line-height: 1.75; }

/* ── CARD BASE ── */
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow);
  transition: all var(--transition);
}
.card:hover { border-color: var(--teal-border); box-shadow: var(--shadow-hover); transform: translateY(-3px); }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  height: var(--header-h);
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 12px rgba(26,184,184,0.07);
}
.header-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 48px;
  height: 100%; display: flex; align-items: center; justify-content: space-between;
}
.logo { display: flex; align-items: center; }
.logo img { height: 50px; object-fit: contain; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 8px 16px; border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 500; color: var(--text-muted);
  transition: all var(--transition);
}
.nav-links a:hover { color: var(--teal); background: var(--teal-light); }
.nav-links a.active { color: var(--teal); background: var(--teal-light); font-weight: 600; }
.nav-cta {
  background: var(--teal) !important; color: #fff !important;
  box-shadow: 0 4px 14px rgba(26,184,184,0.3);
}
.nav-cta:hover { background: var(--teal-dark) !important; color: #fff !important; box-shadow: 0 6px 20px rgba(26,184,184,0.42) !important; }
.nav-icon { display: flex; align-items: center; padding: 8px 8px !important; }
.nav-icon svg { width: 18px; height: 18px; stroke: var(--text-muted); fill: none; stroke-width: 1.8; transition: stroke var(--transition); }
.nav-icon:hover svg { stroke: var(--teal); }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; cursor: pointer; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: all var(--transition); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  display: none; position: fixed; top: var(--header-h); left: 0; right: 0;
  background: #fff; border-bottom: 1px solid var(--border);
  padding: 16px 24px; flex-direction: column; gap: 4px;
  box-shadow: var(--shadow-md); z-index: 999;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  padding: 12px 16px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500; color: var(--text-muted);
  transition: all var(--transition);
}
.mobile-nav a:hover, .mobile-nav a.active { color: var(--teal); background: var(--teal-light); }

/* ============================================================
   PAGE BANNER (inner pages)
   ============================================================ */
.page-banner {
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%);
  padding: 56px 0; position: relative; overflow: hidden;
}
.page-banner::before {
  content: ''; position: absolute; right: -80px; top: -80px;
  width: 320px; height: 320px; border-radius: 50%;
  background: rgba(255,255,255,0.06);
}
.page-banner::after {
  content: ''; position: absolute; right: 120px; bottom: -50px;
  width: 180px; height: 180px; border-radius: 50%;
  background: rgba(255,255,255,0.04);
}
.page-banner .eyebrow { color: rgba(255,255,255,0.75); }
.page-banner .eyebrow::before { background: rgba(255,255,255,0.75); }
.page-banner .section-title { color: #fff; margin-bottom: 6px; }
.breadcrumb { font-size: 12px; color: rgba(255,255,255,0.6); margin-top: 4px; }
.breadcrumb a { color: rgba(255,255,255,0.6); transition: color var(--transition); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { margin: 0 6px; color: rgba(255,255,255,0.4); }

/* Sub-nav tabs inside banner */
.banner-tabs { display: flex; gap: 8px; margin-top: 24px; flex-wrap: wrap; }
.banner-tab {
  padding: 8px 20px; border-radius: 20px;
  background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.85); font-size: 12px; font-weight: 500;
  cursor: pointer; transition: all var(--transition); font-family: 'Inter', sans-serif;
}
.banner-tab:hover, .banner-tab.active { background: #fff; border-color: #fff; color: var(--teal); font-weight: 600; }

/* ============================================================
   HOME — HERO
   ============================================================ */
.hero {
  min-height: 580px; display: flex; align-items: center;
  background: linear-gradient(rgba(255,255,255,0.84), rgba(240,247,247,0.92)),
              url('../images/hero-bg.jpg') center/cover no-repeat;
  position: relative; overflow: hidden;
}
.hero-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
  padding: 80px 0;
}
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--teal-light); border: 1px solid var(--teal-border);
  padding: 5px 14px; border-radius: 20px;
  font-size: 11px; font-weight: 600; color: var(--teal);
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 18px;
}
.hero-tag .pulse {
  width: 6px; height: 6px; border-radius: 50%; background: var(--teal);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:0.3; } }
.hero h1 { font-size: 54px; font-weight: 800; line-height: 1.08; margin-bottom: 16px; letter-spacing: -2px; }
.hero h1 span { color: var(--teal); }
.hero-sub { font-size: 16px; color: var(--text-muted); line-height: 1.75; margin-bottom: 32px; max-width: 440px; }
.hero-buttons { display: flex; gap: 12px; flex-wrap: wrap; }

/* Floating tech cards */
.hero-visual { position: relative; height: 400px; }
.tech-card {
  position: absolute; background: #fff;
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 20px; box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition);
}
.tech-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px) !important; }
.tc-1 { top: 10px;  right: 0;   width: 200px; animation: float1 4s   ease-in-out infinite; }
.tc-2 { top: 120px; left: 0;    width: 178px; animation: float2 5s   ease-in-out infinite; }
.tc-3 { bottom: 60px; right: 30px; width: 200px; animation: float3 4.5s ease-in-out infinite; }
.tc-4 { top: 220px; right: 10px; width: 160px; animation: float1 3.5s ease-in-out infinite; }
@keyframes float1 { 0%,100%{transform:translateY(0);} 50%{transform:translateY(-10px);} }
@keyframes float2 { 0%,100%{transform:translateY(0);} 50%{transform:translateY(-8px);} }
@keyframes float3 { 0%,100%{transform:translateY(0);} 50%{transform:translateY(-12px);} }
.tc-icon { width: 34px; height: 34px; border-radius: 8px; background: var(--teal-light); display: flex; align-items: center; justify-content: center; margin-bottom: 10px; font-size: 17px; }
.tc-title { font-family: 'Outfit', sans-serif; font-size: 12px; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.tc-sub   { font-size: 11px; color: var(--text-dim); }
.tc-bar   { height: 3px; border-radius: 2px; background: linear-gradient(90deg, var(--teal), var(--teal-mid)); margin-top: 10px; }

/* ── STATS STRIP ── */
.stats-strip {
  background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 30px 0;
}
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.stat-item { text-align: center; }
.stat-num   { font-family: 'Outfit', sans-serif; font-size: 36px; font-weight: 800; color: var(--teal); line-height: 1; }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ── MISSION ── */
.mission-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; margin-top: 60px; }
.mission-img-wrap { position: relative; }
.mission-img {
  width: 100%; aspect-ratio: 4/3; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: 0 16px 50px rgba(26,184,184,0.14);
}
.mission-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.5s ease; }
.mission-img:hover img { transform: scale(1.03); }
.mission-badge {
  position: absolute; bottom: -20px; right: -20px;
  background: var(--teal); border-radius: var(--radius); padding: 18px 22px;
  text-align: center; box-shadow: 0 8px 28px rgba(26,184,184,0.38);
}
.mission-badge-num   { font-family: 'Outfit', sans-serif; font-size: 28px; font-weight: 800; color: #fff; }
.mission-badge-label { font-size: 11px; color: rgba(255,255,255,0.85); margin-top: 2px; }
.mission-text { font-size: 15px; color: var(--text-muted); line-height: 1.85; margin-bottom: 20px; }
.mission-points { display: flex; flex-direction: column; gap: 10px; margin-bottom: 30px; }
.mission-point { display: flex; align-items: flex-start; gap: 10px; }
.mission-point-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); margin-top: 8px; flex-shrink: 0; }
.mission-point-text { font-size: 14px; color: var(--text-muted); }

/* ── HOME SERVICES ── */
.home-services { background: var(--bg2); }
.services-layout {
  display: grid; grid-template-columns: 240px 1fr; gap: 0;
  border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden;
  margin-top: 50px; box-shadow: var(--shadow);
}
.services-tabs { background: #fff; border-right: 1px solid var(--border); }
.service-tab {
  display: flex; align-items: center; gap: 10px;
  width: 100%; padding: 16px 20px;
  background: transparent; border: none;
  color: var(--text-muted); cursor: pointer;
  font-family: 'Inter', sans-serif; font-size: 13px; font-weight: 500;
  border-bottom: 1px solid var(--border); text-align: left;
  transition: all var(--transition);
}
.service-tab:last-child { border-bottom: none; }
.service-tab .tab-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--border2); flex-shrink: 0; transition: background var(--transition); }
.service-tab:hover, .service-tab.active { background: var(--teal-light); color: var(--teal); }
.service-tab.active .tab-dot { background: var(--teal); }
.service-panel { display: none; padding: 36px; background: #fff; }
.service-panel.active { display: block; }
.service-panel-img { width: 100%; height: 200px; border-radius: var(--radius); overflow: hidden; margin-bottom: 22px; box-shadow: 0 4px 16px rgba(0,0,0,0.08); }
.service-panel-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.4s; }
.service-panel-img:hover img { transform: scale(1.04); }
.service-panel h3 { font-size: 22px; font-weight: 700; margin-bottom: 10px; }
.service-panel p { font-size: 14px; color: var(--text-muted); line-height: 1.75; margin-bottom: 6px; }
.service-panel ul { list-style: none; display: flex; flex-direction: column; gap: 7px; margin: 14px 0 22px; }
.service-panel ul li { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-muted); }
.service-panel ul li::before { content: '→'; color: var(--teal); font-size: 12px; font-weight: 700; }

/* ============================================================
   SERVICES PAGE
   ============================================================ */
.srv-cards-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-top: 50px; }
.srv-card { overflow: hidden; }
.srv-card-img { height: 180px; overflow: hidden; border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
.srv-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.4s; }
.srv-card:hover .srv-card-img img { transform: scale(1.05); }
.srv-card-tag {
  display: inline-block; margin: 16px 20px 0;
  background: var(--teal-light); color: var(--teal);
  font-size: 10px; font-weight: 700; letter-spacing: 1.5px;
  padding: 3px 10px; border-radius: 20px;
}
.srv-card-body { padding: 12px 20px 24px; }
.srv-card-body h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.srv-card-body p  { font-size: 13px; color: var(--text-muted); line-height: 1.65; margin-bottom: 16px; }

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-section { display: none; }
.about-section.active { display: block; }

.about-mission-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; margin-top: 50px; }
.about-img { width: 100%; aspect-ratio: 4/3; border-radius: var(--radius-lg); overflow: hidden; box-shadow: 0 12px 40px rgba(26,184,184,0.1); }
.about-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.5s; }
.about-img:hover img { transform: scale(1.03); }
.about-text p { font-size: 15px; color: var(--text-muted); line-height: 1.85; margin-bottom: 16px; }

/* Board */
.board-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-top: 50px; }
.board-card { padding: 30px 24px; }
.board-avatar {
  width: 58px; height: 58px; border-radius: 14px;
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
  display: flex; align-items: center; justify-content: center;
  font-family: 'Outfit', sans-serif; font-size: 18px; font-weight: 700; color: #fff;
  margin-bottom: 14px; box-shadow: 0 4px 14px rgba(26,184,184,0.28);
}
.board-name  { font-size: 17px; font-weight: 700; margin-bottom: 3px; }
.board-title { font-size: 12px; color: var(--teal); font-weight: 600; margin-bottom: 10px; }
.board-bio   { font-size: 13px; color: var(--text-muted); line-height: 1.65; }

/* Approach */
.approach-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; margin-top: 50px; }
.approach-step { padding: 30px; }
.step-num {
  width: 46px; height: 46px; border-radius: 10px;
  background: var(--teal-light); border: 1.5px solid var(--teal-border);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Outfit', sans-serif; font-size: 22px; font-weight: 800; color: var(--teal);
  margin-bottom: 14px;
}
.approach-step h4 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.approach-step p  { font-size: 13px; color: var(--text-muted); line-height: 1.65; }

/* ============================================================
   CUSTOMERS PAGE
   ============================================================ */
.customers-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; margin-top: 50px; }
.customer-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px 18px;
  display: flex; align-items: center; justify-content: center;
  min-height: 100px; box-shadow: var(--shadow);
  transition: all var(--transition);
}
.customer-card:hover { border-color: var(--teal-border); box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.customer-card img { max-width: 120px; max-height: 60px; object-fit: contain; filter: grayscale(20%); transition: filter var(--transition); }
.customer-card:hover img { filter: grayscale(0%); }
.customer-name { font-family: 'Outfit', sans-serif; font-size: 14px; font-weight: 700; color: var(--text-muted); text-align: center; }

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; margin-top: 50px; align-items: start; }
.contact-info-list { display: flex; flex-direction: column; gap: 16px; }
.contact-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; display: flex; align-items: flex-start; gap: 16px;
  box-shadow: var(--shadow); transition: border-color var(--transition);
}
.contact-card:hover { border-color: var(--teal-border); }
.contact-card-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: var(--teal-light); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.contact-card-icon svg { width: 20px; height: 20px; stroke: var(--teal); fill: none; stroke-width: 1.8; }
.contact-card-label { font-size: 11px; font-weight: 700; color: var(--teal); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.contact-card-text  { font-size: 14px; color: var(--text-muted); line-height: 1.65; }

/* Contact Form */
.contact-form-wrap {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 38px;
  box-shadow: var(--shadow);
}
.form-title { font-size: 22px; font-weight: 700; margin-bottom: 6px; }
.form-sub   { font-size: 13px; color: var(--text-muted); margin-bottom: 26px; }
.form-group { margin-bottom: 14px; }
.form-row   { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group label { display: block; font-size: 12px; font-weight: 600; color: var(--text-muted); margin-bottom: 6px; letter-spacing: 0.3px; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; padding: 12px 16px;
  background: var(--bg); border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  font-family: 'Inter', sans-serif; font-size: 14px; outline: none;
  transition: border-color var(--transition), background var(--transition);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }
.form-group input:focus,
.form-group textarea:focus { border-color: var(--teal); background: #fff; box-shadow: 0 0 0 3px rgba(26,184,184,0.08); }
.form-group textarea { height: 130px; resize: vertical; }
.form-feedback { display: none; padding: 12px 16px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 600; margin-top: 12px; }
.form-feedback.success { background: #e6f9f9; color: var(--teal-dark); border: 1px solid var(--teal-border); display: block; }
.form-feedback.error   { background: #fff0f0; color: #c0392b; border: 1px solid rgba(192,57,43,0.2); display: block; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: #142828; padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 50px; padding-bottom: 50px; }
.footer-brand img  { height: 46px; object-fit: contain; filter: brightness(0) invert(1); opacity: 0.9; }
.footer-brand p    { font-size: 13px; color: rgba(255,255,255,0.45); line-height: 1.75; max-width: 240px; margin-top: 14px; }
.footer-col h4     { font-family: 'Outfit', sans-serif; font-size: 13px; font-weight: 700; color: #fff; margin-bottom: 18px; letter-spacing: 0.5px; }
.footer-col ul     { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.footer-col ul li a {
  font-size: 13px; color: rgba(255,255,255,0.45); display: flex; align-items: center; gap: 6px;
  transition: color var(--transition);
}
.footer-col ul li a::before { content: '→'; color: var(--teal); font-size: 11px; opacity: 0.6; }
.footer-col ul li a:hover { color: var(--teal); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 18px 0;
  display: flex; align-items: center; justify-content: space-between;
}
.footer-bottom p { font-size: 12px; color: rgba(255,255,255,0.3); }
.footer-social { display: flex; gap: 10px; }
.social-btn {
  width: 36px; height: 36px; border-radius: 9px;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.social-btn:hover { border-color: var(--teal); background: rgba(26,184,184,0.12); }
.social-btn svg { width: 16px; height: 16px; stroke: rgba(255,255,255,0.45); fill: none; stroke-width: 1.8; transition: stroke var(--transition); }
.social-btn:hover svg { stroke: var(--teal); }

/* ============================================================
   SCROLL TO TOP
   ============================================================ */
.scroll-top {
  position: fixed; bottom: 28px; right: 28px; z-index: 900;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--teal); color: #fff; border: none;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; box-shadow: 0 4px 16px rgba(26,184,184,0.4);
  opacity: 0; transform: translateY(12px);
  transition: all var(--transition); pointer-events: none;
}
.scroll-top.visible { opacity: 1; transform: translateY(0); pointer-events: all; }
.scroll-top:hover { background: var(--teal-dark); transform: translateY(-2px); }
.scroll-top svg { width: 18px; height: 18px; stroke: #fff; fill: none; stroke-width: 2.2; }

/* ============================================================
   ANIMATIONS (AOS-style)
   ============================================================ */
[data-aos] { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-aos].aos-visible { opacity: 1; transform: translateY(0); }
[data-aos="fade-left"]  { transform: translateX(-24px); }
[data-aos="fade-right"] { transform: translateX(24px); }
[data-aos="fade-left"].aos-visible,
[data-aos="fade-right"].aos-visible { transform: translateX(0); }
[data-aos-delay="100"] { transition-delay: 0.1s; }
[data-aos-delay="200"] { transition-delay: 0.2s; }
[data-aos-delay="300"] { transition-delay: 0.3s; }
[data-aos-delay="400"] { transition-delay: 0.4s; }

/* ============================================================
   TOAST NOTIFICATION
   ============================================================ */
.toast {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--text); color: #fff; padding: 12px 24px;
  border-radius: var(--radius-sm); font-size: 14px; font-weight: 500;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18); z-index: 9999;
  opacity: 0; transition: all 0.3s ease; pointer-events: none; white-space: nowrap;
}
.toast.teal { background: var(--teal); }
.toast.error { background: #c0392b; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .container { padding: 0 28px; }
  .header-inner { padding: 0 28px; }
  .hero h1 { font-size: 44px; }
  .section-title { font-size: 30px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .header-inner { padding: 0 20px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }

  .hero-inner { grid-template-columns: 1fr; padding: 56px 0; }
  .hero h1 { font-size: 36px; }
  .hero-visual { display: none; }

  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .mission-grid { grid-template-columns: 1fr; }
  .mission-badge { bottom: -15px; right: -10px; }

  .services-layout { grid-template-columns: 1fr; }
  .services-tabs { display: flex; overflow-x: auto; border-right: none; border-bottom: 1px solid var(--border); }
  .service-tab { border-bottom: none; border-right: 1px solid var(--border); white-space: nowrap; }

  .srv-cards-grid { grid-template-columns: 1fr 1fr; }
  .board-grid { grid-template-columns: 1fr 1fr; }
  .approach-grid { grid-template-columns: 1fr; }
  .customers-grid { grid-template-columns: repeat(3,1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .about-mission-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

  .page-banner { padding: 40px 0; }
  .section { padding: 56px 0; }
}

@media (max-width: 480px) {
  .srv-cards-grid { grid-template-columns: 1fr; }
  .board-grid { grid-template-columns: 1fr; }
  .customers-grid { grid-template-columns: repeat(2,1fr); }
  .hero h1 { font-size: 30px; }
  .form-row { grid-template-columns: 1fr; }
}