/* =========================================================
   Kuber Photography – Landing Page
   ========================================================= */

:root {
  --red-900: #2a0000;
  --red-800: #4a0303;
  --red-700: #6b0606;
  --red-600: #8a0b0b;
  --gold: #f5c518;
  --gold-light: #ffd84d;
  --gold-dark: #d99a00;
  --green: #22b33a;
  --green-dark: #128c2a;
  --white: #ffffff;
  --off-white: #f4f4f4;
  --text-dark: #141414;
  --text-muted: #555;
  --black: #0d0d0d;

  --font-head: "Montserrat", "Segoe UI", Arial, sans-serif;
  --font-body: "Roboto", "Segoe UI", Arial, sans-serif;

  --container: 1140px;
  --header-h: 96px;
}

*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: var(--font-body);
  color: var(--white);
  background: var(--black);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ================= HEADER ================= */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 14px 0;
  transition: background .3s ease, padding .3s ease, box-shadow .3s ease;
}
.site-header.scrolled {
  background: rgba(42, 0, 0, .92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, .35);
  padding: 8px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand img {
  width: 250px;
  filter: drop-shadow(0 3px 8px rgba(0, 0, 0, .45));
  transition: width .3s ease;
}
.site-header.scrolled .brand img { width: 190px; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 48px;
}
.main-nav ul {
  display: flex;
  gap: 56px;
}
.main-nav ul a {
  position: relative;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 17px;
  padding: 8px 0;
  transition: color .2s ease;
}
.main-nav ul a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 3px;
  border-radius: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform .25s ease;
}
.main-nav ul a:hover,
.main-nav ul a.active { color: var(--gold); }
.main-nav ul a:hover::after,
.main-nav ul a.active::after { transform: scaleX(1); }

.btn-book {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 8px;
  background: var(--gold);
  color: var(--text-dark);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  box-shadow: 0 6px 18px rgba(245, 197, 24, .3);
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.btn-book svg { width: 26px; height: 26px; }
.btn-book:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(245, 197, 24, .45);
}

/* Hamburger */
.nav-toggle {
  display: none;
  width: 46px; height: 46px;
  border: 1px solid rgba(245, 197, 24, .5);
  border-radius: 10px;
  background: rgba(0, 0, 0, .25);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  z-index: 110;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--gold);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ================= HERO ================= */
.hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 10px) 0 56px;
  background:
    radial-gradient(ellipse 70% 60% at 50% 30%, var(--red-600) 0%, transparent 70%),
    linear-gradient(180deg, var(--red-700) 0%, var(--red-800) 55%, var(--red-900) 100%);
  text-align: center;
}
/* sweeping dark curve like the design */
.hero::before {
  content: "";
  position: absolute;
  left: -30%;
  top: 25%;
  width: 80%;
  height: 140%;
  border-radius: 50%;
  background: radial-gradient(ellipse at 70% 40%, rgba(0, 0, 0, .0) 0%, rgba(0, 0, 0, .35) 60%);
  box-shadow: inset 30px 0 60px rgba(160, 20, 20, .25);
  pointer-events: none;
}
.hero-glow {
  position: absolute;
  inset: auto -20% -40% -20%;
  height: 60%;
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, .45), transparent 70%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; }

.hero-logo {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 26px;
  animation: fadeUp .9s ease both;
}
.hero-logo img {
  width: min(500px, 82vw);
  filter: drop-shadow(0 10px 24px rgba(0, 0, 0, .5));
}
.hero-sub {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 6px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(16px, 2.4vw, 24px);
  letter-spacing: .38em;
  color: var(--gold);
  /* compensate trailing letter-spacing */
  padding-left: .38em;
}
.hero-sub .line {
  display: block;
  width: clamp(36px, 7vw, 76px);
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, transparent, var(--gold));
}
.hero-sub .line:last-child { background: linear-gradient(90deg, var(--gold), transparent); }

.hero-tagline {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: clamp(15px, 2.6vw, 28px);
  letter-spacing: .22em;
  text-transform: uppercase;
  animation: fadeUp .9s .15s ease both;
}
.hero-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(42px, 7.6vw, 78px);
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: .01em;
  margin: 6px 0 34px;
  text-shadow: 0 6px 20px rgba(0, 0, 0, .35);
  animation: fadeUp .9s .25s ease both;
}

/* ===== WhatsApp button ===== */
.btn-whatsapp {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 22px;
  padding: 12px 46px 12px 12px;
  border-radius: 999px 22px 22px 999px;
  background: linear-gradient(180deg, #2ccd48 0%, var(--green) 50%, var(--green-dark) 100%);
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(20px, 3vw, 32px);
  box-shadow: 0 12px 28px rgba(18, 140, 42, .45), inset 0 2px 0 rgba(255, 255, 255, .25);
  transition: transform .2s ease, box-shadow .2s ease;
  animation: fadeUp .9s .35s ease both;
}
.btn-whatsapp:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 18px 36px rgba(18, 140, 42, .55), inset 0 2px 0 rgba(255, 255, 255, .25);
}
.btn-whatsapp .wa-icon {
  display: grid;
  place-items: center;
  width: clamp(62px, 8vw, 92px);
  height: clamp(62px, 8vw, 92px);
  margin: -18px 0 -18px -20px;
  border-radius: 50%;
  background: linear-gradient(180deg, #2ccd48, var(--green-dark));
  border: 4px solid rgba(255, 255, 255, .15);
  box-shadow: 0 8px 18px rgba(0, 0, 0, .3);
}
.btn-whatsapp .wa-icon svg { width: 72%; height: 72%; }
.btn-whatsapp .wa-arrow {
  width: clamp(24px, 3vw, 34px);
  height: clamp(24px, 3vw, 34px);
  transition: transform .2s ease;
}
.btn-whatsapp:hover .wa-arrow { transform: translateX(5px); }
/* pulse ring */
.btn-whatsapp .wa-icon { position: relative; }
.btn-whatsapp .wa-icon::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(44, 205, 72, .7);
  animation: pulse 2s infinite;
  pointer-events: none;
}

/* Hero features */
.hero-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 56px;
  text-align: left;
}
.hero-features li {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 4px 20px;
}
.hero-features li + li { border-left: 1px solid rgba(255, 255, 255, .22); }
.hero-features svg {
  flex: 0 0 44px;
  width: 44px; height: 44px;
  fill: none;
  stroke: var(--gold);
  stroke-width: 1.6;
  stroke-linejoin: round;
}
.hero-features h3 {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 19px;
  margin-bottom: 2px;
}
.hero-features p { font-size: 15px; color: rgba(255, 255, 255, .85); }

/* ================= STEPS ================= */
.steps {
  background: var(--off-white);
  color: var(--text-dark);
  padding: 38px 0;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.step {
  text-align: center;
  padding: 12px 28px;
}
.step + .step { border-left: 1px solid #d9d9d9; }
.step svg {
  width: 56px; height: 56px;
  margin: 0 auto 14px;
  fill: none;
  stroke: var(--text-dark);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform .3s ease, stroke .3s ease;
}
.step:hover svg { transform: translateY(-4px); stroke: var(--red-600); }
.step h3 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 23px;
  margin-bottom: 6px;
}
.step p {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 230px;
  margin: 0 auto;
}

/* ================= WHY CHOOSE ================= */
.why {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 35% 10%, #1e1e1e 0%, transparent 35%),
    #0f0f0f;
  padding: 56px 0 80px;
  text-align: center;
}
.section-head { margin-bottom: 44px; }
.eyebrow {
  display: block;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(15px, 2vw, 20px);
  letter-spacing: .32em;
  padding-left: .32em;
  text-transform: uppercase;
  color: var(--gold);
}
.section-head h2 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(46px, 6.8vw, 66px);
  line-height: 1.1;
  letter-spacing: .03em;
  margin: 4px 0 14px;
}
.divider {
  display: block;
  width: 70px; height: 3px;
  margin: 0 auto;
  border-radius: 3px;
  background: var(--gold);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.why-grid li {
  padding: 8px 18px;
}
.why-grid li + li { border-left: 1px solid rgba(255, 255, 255, .15); }
.why-grid svg {
  width: 54px; height: 54px;
  margin: 0 auto 18px;
  fill: none;
  stroke: var(--gold);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform .3s ease;
}
.why-grid li:hover svg { transform: scale(1.12); }
.why-grid h3 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 21px;
  margin-bottom: 4px;
}
.why-grid p {
  font-size: 17px;
  color: rgba(255, 255, 255, .85);
  max-width: 200px;
  margin: 0 auto;
}

/* ================= CTA ================= */
.cta {
  position: relative;
  overflow: hidden;
  background: #0f0f0f;
  padding: 70px 0 44px;
  text-align: center;
}
.cta-curve {
  position: absolute;
  left: -25%;
  right: -25%;
  top: 0;
  bottom: -60%;
  border-radius: 50% 50% 0 0 / 30% 30% 0 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 20%, var(--red-600), transparent 70%),
    linear-gradient(180deg, var(--red-700), var(--red-900));
  box-shadow: 0 -10px 40px rgba(0, 0, 0, .5);
}
.cta-inner { position: relative; z-index: 1; }
.cta .btn-whatsapp { animation: none; }
.cta-text {
  margin-top: 34px;
  font-size: clamp(17px, 2.3vw, 23px);
}
.cta-text strong { color: var(--gold); font-weight: 500; }
.cta-phone {
  margin-top: 10px;
  font-size: 16px;
  color: rgba(255, 255, 255, .75);
}
.cta-phone a { color: var(--gold); font-weight: 500; }
.cta-phone a:hover { text-decoration: underline; }

/* ================= FOOTER ================= */
.site-footer {
  background: var(--red-900);
  border-top: 1px solid rgba(245, 197, 24, .2);
  padding: 18px 0;
  text-align: center;
  font-size: 14px;
  color: rgba(255, 255, 255, .7);
}

/* Floating WhatsApp */
.wa-float {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 90;
  display: grid;
  place-items: center;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: var(--green);
  color: var(--white);
  box-shadow: 0 8px 22px rgba(0, 0, 0, .4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity .3s ease, transform .3s ease, visibility .3s;
}
.wa-float.show { opacity: 1; visibility: visible; transform: translateY(0); }
.wa-float svg { width: 32px; height: 32px; }
.wa-float::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--green);
  animation: pulse 2s infinite;
}

/* ================= ANIMATIONS ================= */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%   { transform: scale(1);   opacity: .9; }
  100% { transform: scale(1.45); opacity: 0; }
}

.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ================= RESPONSIVE ================= */

/* Small desktop / large tablet */
@media (max-width: 1100px) {
  .main-nav { gap: 32px; }
  .main-nav ul { gap: 36px; }
  .brand img { width: 210px; }
  .hero-features li { padding: 4px 14px; gap: 12px; }
  .hero-features h3 { font-size: 17px; }
  .hero-features p { font-size: 14px; }
}

/* Tablet */
@media (max-width: 900px) {
  :root { --header-h: 80px; }

  .nav-toggle { display: flex; }
  .brand img,
  .site-header.scrolled .brand img { width: 170px; }

  .main-nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(320px, 82vw);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 28px;
    padding: 100px 28px 32px;
    background: linear-gradient(180deg, var(--red-800), var(--red-900));
    box-shadow: -10px 0 40px rgba(0, 0, 0, .5);
    transform: translateX(100%);
    transition: transform .35s ease;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 6px; }
  .main-nav ul a {
    display: block;
    padding: 14px 4px;
    font-size: 18px;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
  }
  .main-nav ul a::after { display: none; }
  .btn-book { justify-content: center; }

  body.nav-open { overflow: hidden; }
  body.nav-open::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 95;
    background: rgba(0, 0, 0, .55);
  }

  .hero-features {
    grid-template-columns: 1fr;
    max-width: 380px;
    margin: 48px auto 0;
    gap: 6px;
  }
  .hero-features li {
    justify-content: flex-start;
    padding: 14px 18px;
    border-radius: 12px;
    background: rgba(0, 0, 0, .2);
    border: 1px solid rgba(245, 197, 24, .15);
  }
  .hero-features li + li { border-left: 1px solid rgba(245, 197, 24, .15); }

  .why-grid { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .why-grid li:nth-child(3) { border-left: 0; }

  .step { padding: 10px 16px; }
  .step h3 { font-size: 20px; }
  .step p { font-size: 16px; }
}

/* Mobile */
@media (max-width: 600px) {
  .container { padding: 0 16px; }
  .site-header { padding: 10px 0; }
  .brand img,
  .site-header.scrolled .brand img { width: 140px; }
  .nav-toggle { width: 42px; height: 42px; }

  .hero { padding-bottom: 44px; }
  .hero-logo { margin-bottom: 20px; }
  .hero-sub { gap: 10px; letter-spacing: .3em; padding-left: .3em; }
  .hero-tagline { letter-spacing: .12em; }
  .hero-title { margin-bottom: 30px; }

  .btn-whatsapp { gap: 14px; padding: 10px 26px 10px 10px; }
  .btn-whatsapp .wa-icon { margin: -14px 0 -14px -14px; }

  .steps { padding: 20px 0; }
  .steps-grid { grid-template-columns: 1fr; }
  .step { padding: 22px 10px; }
  .step + .step { border-left: 0; border-top: 1px solid #d9d9d9; }

  .why { padding: 48px 0 60px; }
  .section-head { margin-bottom: 36px; }
  .why-grid { row-gap: 32px; }
  .why-grid li { padding: 4px 10px; }
  .why-grid svg { width: 46px; height: 46px; margin-bottom: 14px; }
  .why-grid h3 { font-size: 17px; }
  .why-grid p { font-size: 14px; }

  .cta { padding: 60px 0 36px; }
  .cta-curve { border-radius: 50% 50% 0 0 / 14% 14% 0 0; }
}

@media (max-width: 360px) {
  .why-grid { grid-template-columns: 1fr; }
  .why-grid li + li { border-left: 0; }
  .btn-whatsapp { font-size: 18px; }
}