/* Fatih Developers — premium studio landing */
:root {
  --ink: #061411;
  --ink-elevated: #0c221c;
  --ink-soft: #16352c;
  --jade: #1f8a5b;
  --jade-bright: #8fd4b0;
  --jade-deep: #0f5c3c;
  --mist: #e4eeea;
  --paper: #f2f7f5;
  --white: #ffffff;
  --line: rgba(6, 20, 17, 0.1);
  --line-strong: rgba(6, 20, 17, 0.16);
  --text: #12241f;
  --muted: #4d655c;
  --font-display: "Bricolage Grotesque", Georgia, serif;
  --font-body: "Source Sans 3", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 4.5rem;
  --max: 1180px;
  --radius: 0.85rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.55;
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--jade);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--ink);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-h);
  background: rgba(6, 20, 17, 0.72);
  backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid rgba(143, 212, 176, 0.08);
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(6, 20, 17, 0.92);
  border-bottom-color: rgba(143, 212, 176, 0.14);
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.35rem;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: -0.02em;
  color: #f4faf7;
  text-decoration: none;
  margin-right: auto;
}

.brand-mark:hover {
  color: var(--jade-bright);
}

.brand-logo {
  width: 2.05rem;
  height: 2.05rem;
  border-radius: 0.45rem;
  flex-shrink: 0;
  box-shadow: 0 0 0 1px rgba(143, 212, 176, 0.22);
}

.brand-name {
  white-space: nowrap;
}

.site-nav {
  display: none;
  gap: 1.5rem;
}

.site-nav a {
  color: rgba(242, 247, 245, 0.68);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.94rem;
}

.site-nav a:hover {
  color: #fff;
}

@media (min-width: 820px) {
  .site-nav {
    display: flex;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 3rem;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.28s var(--ease), background 0.28s var(--ease), color 0.28s var(--ease), border-color 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-sm {
  min-height: 2.4rem;
  padding: 0.4rem 1rem;
  font-size: 0.88rem;
}

.btn-primary {
  background: linear-gradient(180deg, #2a9d68 0%, var(--jade-deep) 100%);
  color: #fff;
  box-shadow: 0 10px 28px rgba(15, 92, 60, 0.35);
}

.btn-primary:hover {
  color: #fff;
  box-shadow: 0 14px 34px rgba(15, 92, 60, 0.45);
}

.btn-ghost {
  background: transparent;
  color: var(--paper);
  border-color: rgba(243, 247, 246, 0.28);
}

.btn-ghost:hover {
  border-color: #fff;
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.btn-light {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.18);
}

.btn-light:hover {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}

/* Hero */
.hero {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--paper);
  background: radial-gradient(120% 90% at 80% 10%, #0f3d30 0%, var(--ink) 48%, #030a08 100%);
}

.hero-atmosphere {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(8px);
}

.hero-orb-a {
  width: min(55vw, 520px);
  height: min(55vw, 520px);
  right: -6%;
  top: -8%;
  background: radial-gradient(circle, rgba(45, 160, 110, 0.5) 0%, transparent 70%);
  animation: drift-a 14s ease-in-out infinite alternate;
}

.hero-orb-b {
  width: min(40vw, 380px);
  height: min(40vw, 380px);
  left: -8%;
  bottom: 8%;
  background: radial-gradient(circle, rgba(143, 212, 176, 0.22) 0%, transparent 70%);
  animation: drift-b 18s ease-in-out infinite alternate;
}

.hero-mesh {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(143, 212, 176, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 212, 176, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 75% 65% at 72% 35%, #000 15%, transparent 72%);
  animation: grid-drift 36s linear infinite;
}

.hero-viz {
  position: absolute;
  right: max(-8%, -40px);
  top: 8%;
  width: min(62vw, 720px);
  height: auto;
  opacity: 0.9;
  animation: viz-float 12s ease-in-out infinite alternate;
}

.hero-fade {
  position: absolute;
  inset: auto 0 0;
  height: 55%;
  background: linear-gradient(180deg, transparent, rgba(3, 10, 8, 0.55) 40%, rgba(3, 10, 8, 0.96));
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  padding: clamp(4rem, 12vh, 7rem) 1.35rem clamp(3.25rem, 9vh, 5.5rem);
}

.hero-kicker {
  margin: 0 0 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--jade-bright);
}

.brand-hero {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3rem, 10vw, 6.4rem);
  line-height: 0.92;
  letter-spacing: -0.04em;
  max-width: 11ch;
  color: #f7fcf9;
  text-shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
}

.hero-lead {
  margin: 1.35rem 0 0;
  max-width: 18ch;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--jade-bright);
}

.hero-support {
  margin: 1.1rem 0 0;
  max-width: 36rem;
  color: rgba(242, 247, 245, 0.78);
  font-size: clamp(1.02rem, 1.6vw, 1.12rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

@keyframes grid-drift {
  from { background-position: 0 0, 0 0; }
  to { background-position: 56px 56px, 56px 56px; }
}

@keyframes drift-a {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(-24px, 18px) scale(1.05); }
}

@keyframes drift-b {
  from { transform: translate(0, 0); }
  to { transform: translate(20px, -16px); }
}

@keyframes viz-float {
  from { transform: translateY(0); }
  to { transform: translateY(-14px); }
}

/* Marquee */
.marquee {
  overflow: hidden;
  border-block: 1px solid rgba(143, 212, 176, 0.12);
  background: var(--ink-elevated);
  padding: 0.95rem 0;
}

.marquee-track {
  display: flex;
  gap: 2.75rem;
  width: max-content;
  animation: marquee 36s linear infinite;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  color: rgba(242, 247, 245, 0.55);
  text-transform: uppercase;
}

.marquee-track span::after {
  content: "·";
  margin-left: 2.75rem;
  color: var(--jade-bright);
  opacity: 0.5;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Sections shared */
.section {
  padding: clamp(4rem, 9vw, 6.5rem) 0;
}

.section-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.35rem;
}

.eyebrow {
  margin: 0 0 0.7rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--jade);
}

.eyebrow-light {
  color: var(--jade-bright);
}

.section-head {
  max-width: 40rem;
  margin-bottom: 2.75rem;
}

.section-head-wide {
  max-width: none;
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 860px) {
  .section-head-wide {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: end;
    gap: 3rem;
  }
}

.section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4.4vw, 2.85rem);
  letter-spacing: -0.035em;
  line-height: 1.05;
  color: var(--ink);
}

.section-head p,
.section-intro {
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.section-intro {
  margin: 0;
}

.section-intro-light {
  color: rgba(242, 247, 245, 0.68);
}

.work .section-head h2 {
  color: #f4faf7;
}

.work-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 720px) {
  .work-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.work-card {
  padding: 1.5rem 1.4rem 1.55rem;
  border: 1px solid rgba(143, 212, 176, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
}

.work-card h3 {
  margin: 0.4rem 0 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: -0.025em;
  color: #f4faf7;
}

.work-card > p {
  margin: 0.7rem 0 0;
  color: rgba(242, 247, 245, 0.7);
  font-size: 0.98rem;
}

.work-credit {
  font-size: 0.86rem !important;
  color: var(--jade-bright) !important;
  font-weight: 600;
}

.work-card .work-label {
  margin: 0;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--jade-bright);
}

.work-card .text-link {
  margin-top: 1rem;
}

/* Services grid */
.services {
  background:
    radial-gradient(ellipse 80% 50% at 100% 0%, rgba(143, 212, 176, 0.18), transparent 55%),
    linear-gradient(180deg, var(--paper), var(--mist));
}

.service-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
}

@media (min-width: 720px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1020px) {
  .service-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-grid li {
  margin: 0;
  padding: 1.65rem 1.45rem 1.75rem;
  background: rgba(255, 255, 255, 0.72);
  transition: background 0.3s var(--ease);
}

.service-grid li:hover {
  background: #fff;
}

.service-index {
  display: block;
  margin-bottom: 1.1rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--jade);
}

.service-grid h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--ink);
}

.service-grid p {
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-size: 0.98rem;
}

/* Approach */
.approach {
  background: var(--white);
  border-block: 1px solid var(--line);
}

.approach-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.approach-list li {
  display: grid;
  gap: 0.4rem;
  padding: 1.45rem 0;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 760px) {
  .approach-list li {
    grid-template-columns: minmax(12rem, 16rem) 1fr;
    gap: 2rem;
    align-items: baseline;
  }
}

.approach-list strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.approach-list span {
  color: var(--muted);
}

/* Work / case */
.work {
  background:
    radial-gradient(ellipse 70% 60% at 0% 40%, rgba(31, 138, 91, 0.28), transparent 55%),
    linear-gradient(165deg, #071a15 0%, #0a241c 45%, #04100d 100%);
  color: var(--paper);
}

.case {
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 900px) {
  .case {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3rem;
  }
}

.case-visual {
  perspective: 1200px;
}

.case-window {
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid rgba(143, 212, 176, 0.22);
  background: #0b1c17;
  box-shadow:
    0 40px 80px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(255, 255, 255, 0.03) inset;
  transform: rotateY(-6deg) rotateX(3deg);
  transition: transform 0.6s var(--ease);
}

.case:hover .case-window {
  transform: rotateY(-2deg) rotateX(1deg);
}

.case-chrome {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(143, 212, 176, 0.12);
}

.case-chrome span {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
}

.case-chrome span:nth-child(1) { background: #ff5f57; }
.case-chrome span:nth-child(2) { background: #febc2e; }
.case-chrome span:nth-child(3) { background: #28c840; }

.case-chrome em {
  margin-left: 0.65rem;
  font-style: normal;
  font-size: 0.78rem;
  color: rgba(242, 247, 245, 0.45);
}

.case-screen {
  padding: 1.25rem;
  min-height: 240px;
  background:
    linear-gradient(160deg, rgba(31, 138, 91, 0.25), transparent 50%),
    #0a1713;
}

.case-hero-block {
  height: 72px;
  border-radius: 0.55rem;
  background: linear-gradient(100deg, rgba(143, 212, 176, 0.35), rgba(143, 212, 176, 0.08));
  margin-bottom: 1rem;
}

.case-rows {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 1.1rem;
}

.case-rows i {
  display: block;
  height: 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
}

.case-rows i:nth-child(1) { width: 72%; }
.case-rows i:nth-child(2) { width: 54%; }
.case-rows i:nth-child(3) { width: 63%; }

.case-panels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
}

.case-panels b {
  display: block;
  height: 64px;
  border-radius: 0.45rem;
  background: rgba(143, 212, 176, 0.1);
  border: 1px solid rgba(143, 212, 176, 0.12);
}

.case-copy .work-label {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--jade-bright);
}

.case-copy h3 {
  margin: 0.45rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  letter-spacing: -0.03em;
}

.case-copy > p {
  margin: 0.85rem 0 0;
  color: rgba(242, 247, 245, 0.72);
  max-width: 32rem;
}

.case-tags {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.case-tags li {
  padding: 0.35rem 0.7rem;
  border: 1px solid rgba(143, 212, 176, 0.22);
  border-radius: 999px;
  font-size: 0.82rem;
  color: rgba(242, 247, 245, 0.7);
}

.text-link {
  display: inline-block;
  margin-top: 1.35rem;
  font-weight: 600;
  color: var(--jade-bright);
  text-decoration: none;
  border-bottom: 1px solid rgba(143, 212, 176, 0.4);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.text-link:hover {
  color: #fff;
  border-bottom-color: #fff;
}

/* Contact */
.contact {
  background:
    linear-gradient(180deg, var(--mist), var(--paper));
}

.contact-layout {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 900px) {
  .contact-layout {
    grid-template-columns: minmax(15rem, 22rem) 1fr;
    gap: 3.5rem;
    align-items: start;
  }
}

.contact-channels {
  display: grid;
  gap: 0;
}

.channel {
  display: grid;
  gap: 0.25rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
}

.channel:last-of-type {
  border-bottom: 1px solid var(--line);
}

.channel-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.channel-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.channel:hover .channel-value {
  color: var(--jade);
}

.contact-form {
  display: grid;
  gap: 1rem;
  padding: 1.65rem;
  background: var(--white);
  border: 1px solid var(--line-strong);
  border-radius: calc(var(--radius) + 0.15rem);
  box-shadow: 0 24px 50px rgba(6, 20, 17, 0.06);
}

.form-row {
  display: grid;
  gap: 1rem;
}

@media (min-width: 560px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-form label {
  display: grid;
  gap: 0.4rem;
}

.contact-form label span {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.8rem 0.9rem;
  border: 1px solid rgba(6, 20, 17, 0.14);
  border-radius: 0.55rem;
  font: inherit;
  color: var(--text);
  background: var(--paper);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--jade);
  box-shadow: 0 0 0 3px rgba(31, 138, 91, 0.14);
}

.contact-form .btn {
  justify-self: start;
  margin-top: 0.2rem;
  border-radius: 999px;
}

.form-note {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.honey {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
}

/* Footer */
.site-footer {
  background: var(--ink);
  color: rgba(242, 247, 245, 0.65);
  padding: 2.5rem 0;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.35rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: space-between;
  align-items: end;
}

.footer-brand {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  color: #f4faf7;
}

.footer-logo {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 0.4rem;
}

.footer-tag {
  margin: 0.35rem 0 0;
  font-size: 0.92rem;
}

.footer-meta {
  text-align: left;
}

@media (min-width: 700px) {
  .footer-meta {
    text-align: right;
  }
}

.footer-meta p {
  margin: 0;
  font-size: 0.92rem;
}

.footer-cross {
  margin-top: 0.35rem !important;
}

.footer-cross a {
  color: var(--jade-bright);
  font-weight: 600;
  text-decoration: none;
}

.footer-cross a:hover {
  color: #fff;
}

/* Reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(1.25rem);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

[data-reveal][data-reveal-delay="1"] { transition-delay: 0.08s; }
[data-reveal][data-reveal-delay="2"] { transition-delay: 0.16s; }
[data-reveal][data-reveal-delay="3"] { transition-delay: 0.24s; }

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-mesh,
  .hero-orb-a,
  .hero-orb-b,
  .hero-viz,
  .marquee-track {
    animation: none;
  }
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .btn:hover,
  .case-window,
  .case:hover .case-window {
    transform: none;
  }
}