/* ================================================
   BRAND IDENTITY DESIGNER PORTFOLIO
   Design System & Global Styles
   ================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400&family=Outfit:wght@300;400;500;600;700&display=swap');

/* ─── CSS Variables ─── */
:root {
  --bg: #F3F3F3;
  --text: #121212;
  --accent-dark: #083F3C;
  --accent-teal: #1CC7BE;
  --accent-orange: #E86531;
  --white: #ffffff;
  --grey-light: #E8E8E8;
  --grey-mid: #C0C0C0;
  --grey-dark: #6B6B6B;

  --font-display: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;

  --nav-h: 80px;
  --max-w: 1280px;
  --radius: 12px;
  --radius-card: 16px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; scroll-padding-top: var(--nav-h); }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ─── Typography ─── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(3rem, 7vw, 7rem); }
h2 { font-size: clamp(2.2rem, 5vw, 4.5rem); }
h3 { font-size: clamp(1.4rem, 3vw, 2.2rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.5rem); }
p  { font-size: clamp(0.9rem, 1.2vw, 1.05rem); color: var(--grey-dark); }

/* ─── Layout ─── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 2rem; }
.section    { padding: var(--space-xl) 0; }
.section--sm{ padding: var(--space-lg) 0; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

.flex         { display: flex; }
.flex-center  { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.text-center  { text-align: center; }

/* ─── Label ─── */
.label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-teal);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}


/* ─── Buttons — rounded rectangle ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.9rem 1.9rem;
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute; inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0; transition: var(--transition);
}
.btn:hover::after { opacity: 1; }

.btn-primary { background: var(--accent-dark); color: var(--white); }
.btn-primary:hover { background: #0a5450; transform: translateY(-2px); box-shadow: 0 10px 28px rgba(8,63,60,0.28); }

.btn-outline { border: 1.5px solid var(--text); color: var(--text); }
.btn-outline:hover { background: var(--text); color: var(--bg); }

.btn-accent { background: var(--accent-orange); color: var(--white); }
.btn-accent:hover { background: #d4562a; transform: translateY(-2px); box-shadow: 0 10px 28px rgba(232,101,49,0.32); }

.btn-teal { background: var(--accent-teal); color: var(--white); }
.btn-teal:hover { background: #16a8a1; transform: translateY(-2px); box-shadow: 0 10px 28px rgba(28,199,190,0.3); }

.btn-arrow::after { content: '\2192'; font-size: 1em; }

/* ─── Navigation ─── */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h); z-index: 1000;
  transition: var(--transition);
}
.nav.scrolled {
  background: rgba(243,243,243,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--grey-light);
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%;
  max-width: var(--max-w); margin: 0 auto; padding: 0 2rem;
}
.nav__logo {
  font-family: var(--font-display);
  font-size: 1.3rem; font-weight: 700;
  letter-spacing: -0.02em; color: var(--text);
  display: flex; flex-direction: column; line-height: 1.1;
}
.nav__logo span {
  font-size: 0.55rem; font-family: var(--font-body);
  font-weight: 500; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--grey-dark);
}
.nav__links { display: flex; align-items: center; gap: 2.5rem; }
.nav__link {
  font-size: 0.75rem; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text); position: relative; transition: var(--transition);
}
.nav__link::after {
  content: ''; position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1.5px;
  background: var(--accent-teal);
  transition: var(--transition);
}
.nav__link:hover { color: var(--accent-dark); }
.nav__link:hover::after { width: 100%; }
.nav__link.active { color: var(--accent-dark); }
.nav__link.active::after { width: 100%; }

.nav__cta {
  font-family: var(--font-body);
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 0.6rem 1.4rem;
  background: var(--accent-dark); color: var(--white);
  border-radius: var(--radius);
  transition: var(--transition);
}
.nav__cta:hover { background: var(--accent-teal); transform: translateY(-1px); }

.nav__hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.nav__hamburger span { display: block; width: 24px; height: 1.5px; background: var(--text); transition: var(--transition); }
.nav__hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(4.5px,4.5px); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(4.5px,-4.5px); }

.nav__mobile {
  display: none; position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--grey-light);
  padding: 2rem; flex-direction: column; gap: 1.5rem; z-index: 999;
}
.nav__mobile.open { display: flex; }
.nav__mobile .nav__link { font-size: 1rem; letter-spacing: 0.04em; }

/* ─── Footer ─── */
.footer { background: var(--accent-dark); color: var(--white); padding: var(--space-lg) 0 var(--space-md); }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 4rem; }
.footer__brand { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; margin-bottom: 1rem; color: var(--white); }
.footer__tagline { font-size: 0.88rem; color: rgba(255,255,255,0.55); line-height: 1.7; margin-bottom: 1.5rem; }
.footer__col h5 { font-family: var(--font-body); font-size: 0.68rem; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; color: var(--accent-teal); margin-bottom: 1.2rem; }
.footer__col ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer__col a { font-size: 0.88rem; color: rgba(255,255,255,0.6); transition: var(--transition); }
.footer__col a:hover { color: var(--white); }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: var(--space-md); display: flex; align-items: center; justify-content: space-between; }
.footer__copy { font-size: 0.75rem; color: rgba(255,255,255,0.4); }
.footer__social { display: flex; gap: 1.2rem; }
.footer__social a { font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(255,255,255,0.5); transition: var(--transition); }
.footer__social a:hover { color: var(--accent-teal); }

/* ─── Page Hero ─── */
.page-hero { min-height: 55vh; display: flex; align-items: flex-end; padding-top: var(--nav-h); padding-bottom: var(--space-lg); border-bottom: 1px solid var(--grey-light); }
.page-hero__label { margin-bottom: 1.5rem; }
.page-hero__title { margin-bottom: 1rem; }
.page-hero__sub { font-size: clamp(1rem, 1.5vw, 1.2rem); color: var(--grey-dark); max-width: 540px; font-weight: 300; }

/* ─── Divider ─── */
.divider { width: 100%; height: 1px; background: var(--grey-light); }
.divider--accent { width: 64px; height: 2px; background: var(--accent-teal); margin: 1.5rem 0; }

/* ─── Cards ─── */
.card { background: var(--white); border: 1px solid var(--grey-light); border-radius: var(--radius-card); padding: 2.5rem; transition: var(--transition); }
.card:hover { border-color: var(--accent-teal); box-shadow: 0 16px 48px rgba(8,63,60,0.09); transform: translateY(-3px); }
.card__num { font-family: var(--font-display); font-size: 4rem; font-weight: 300; color: var(--grey-light); line-height: 1; margin-bottom: 1rem; }
.card__title { font-family: var(--font-display); font-size: 1.4rem; font-weight: 600; margin-bottom: 0.75rem; }
.card__text { font-size: 0.9rem; }

/* ─── Section Header ─── */
.section-header { margin-bottom: var(--space-lg); }
.section-header--center { text-align: center; }
.section-header .label { margin-bottom: 1rem; }
.section-header h2 { margin-bottom: 1rem; }
.section-header p { max-width: 520px; font-size: 1.05rem; }
.section-header--center p { margin: 0 auto; }

/* ─── Ticker ─── */
.ticker-wrap { overflow: hidden; background: var(--accent-dark); padding: 1rem 0; border-top: 1px solid rgba(255,255,255,0.08); border-bottom: 1px solid rgba(255,255,255,0.08); }
.ticker { display: flex; white-space: nowrap; animation: ticker 30s linear infinite; }
.ticker__item { display: flex; align-items: center; gap: 2rem; padding-right: 4rem; font-family: var(--font-body); font-size: 0.82rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.65); }
.ticker__dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent-teal); flex-shrink: 0; }
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ─── Reveal ─── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ─── Scroll Indicator ─── */
.scroll-indicator { display: flex; flex-direction: column; align-items: center; gap: 0.4rem; font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--grey-dark); font-family: var(--font-body); }
.scroll-indicator__line { width: 1px; height: 48px; background: linear-gradient(to bottom, var(--accent-teal), transparent); animation: scrollLine 1.8s ease-in-out infinite; }
@keyframes scrollLine { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ─── Tags ─── */
.tag { display: inline-block; font-size: 0.68rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; padding: 0.35rem 0.9rem; border: 1.5px solid var(--grey-light); border-radius: 100px; color: var(--grey-dark); }
.tag--teal   { border-color: var(--accent-teal);   color: var(--accent-teal);   }
.tag--orange { border-color: var(--accent-orange);  color: var(--accent-orange); }
.tag--dark   { background: var(--accent-dark); color: var(--white); border-color: var(--accent-dark); }

/* ─── Stat Block ─── */
.stat-block { border-left: 2px solid var(--accent-teal); padding-left: 1.5rem; }
.stat-block__num { font-family: var(--font-display); font-size: clamp(2.5rem, 5vw, 5rem); font-weight: 700; line-height: 1; color: var(--accent-dark); }
.stat-block__label { font-size: 0.78rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--grey-dark); margin-top: 0.3rem; }

/* ─── Quote Block ─── */
.quote-block { border-left: 3px solid var(--accent-orange); padding: 1.5rem 2rem; background: var(--white); border-radius: 0 var(--radius-card) var(--radius-card) 0; }
.quote-block__text { font-family: var(--font-body); font-size: clamp(1.1rem, 2vw, 1.5rem); font-weight: 300; color: var(--text); line-height: 1.6; margin-bottom: 1rem; }
.quote-block__author { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--grey-dark); }

/* ─── Testimonial Card ─── */
.testi-card { background: var(--white); border: 1px solid var(--grey-light); padding: 2.5rem; border-radius: var(--radius-card); transition: var(--transition); }
.testi-card:hover { border-color: var(--accent-teal); box-shadow: 0 12px 40px rgba(8,63,60,0.07); transform: translateY(-2px); }
.testi-card__stars { color: var(--accent-orange); font-size: 0.9rem; letter-spacing: 2px; margin-bottom: 1.2rem; }
.testi-card__text { font-family: var(--font-body); font-size: 1rem; font-weight: 300; line-height: 1.7; color: var(--text); margin-bottom: 1.5rem; }
.testi-card__author { display: flex; align-items: center; gap: 1rem; }
.testi-card__avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--grey-light); display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-size: 1rem; font-weight: 700; color: var(--accent-dark); flex-shrink: 0; }
.testi-card__name { font-size: 0.88rem; font-weight: 600; color: var(--text); }
.testi-card__role { font-size: 0.75rem; color: var(--grey-dark); }

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 768px) {
  :root { --nav-h: 64px; }
  html { scroll-padding-top: var(--nav-h); }
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .section { padding: 4rem 0; }
  .section--sm { padding: 3rem 0; }
  .page-hero { min-height: 45vh; }
}
@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .btn { padding: 0.85rem 1.5rem; }
}