/* SMOKECUT — Soylu Landing */
:root {
  --brand: #0a433a;
  --brand-deep: #06332c;
  --brand-soft: #e8f1ef;
  --brand-mid: #1a5c51;
  --ink: #12201d;
  --ink-muted: #51615d;
  --line: #d9e4e1;
  --surface: #ffffff;
  --surface-alt: #f6f9f8;
  --warn: #b42318;
  --ok: #0a433a;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-soft: 0 18px 40px rgba(10, 67, 58, 0.08);
  --header-h: 76px;
  --font-display: "Syne", sans-serif;
  --font-body: "Manrope", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--surface);
  line-height: 1.65;
  font-size: 1.05rem;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(1140px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 8px 24px rgba(10, 67, 58, 0.05);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  flex-shrink: 1;
  min-width: 0;
  max-width: min(100%, 220px);
}

.brand-logo img {
  height: 42px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav a {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink-muted);
  transition: color 0.2s var(--ease);
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--brand);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--brand);
  position: relative;
}

.menu-toggle span::before,
.menu-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--brand);
}

.menu-toggle span::before {
  top: -6px;
}

.menu-toggle span::after {
  top: 6px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.75rem 1.35rem;
  border-radius: 11px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease),
    color 0.25s var(--ease), border-color 0.25s var(--ease),
    box-shadow 0.25s var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--brand);
  color: #fff;
}

.btn-primary:hover {
  background: var(--brand-deep);
  box-shadow: 0 12px 28px rgba(10, 67, 58, 0.22);
}

.btn-secondary {
  background: transparent;
  color: var(--brand);
  border-color: color-mix(in srgb, var(--brand) 28%, white);
}

.btn-secondary:hover {
  background: var(--brand-soft);
  border-color: var(--brand);
}

.btn-light {
  background: #fff;
  color: var(--brand);
}

.btn-light:hover {
  background: var(--brand-soft);
}

.btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}

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

/* Hero */
.hero {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  display: grid;
  align-items: end;
  overflow: visible;
  color: #fff;
  isolation: isolate;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
  overflow: hidden;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  animation: heroZoom 18s var(--ease) infinite alternate;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(
      180deg,
      rgba(6, 30, 26, 0.35) 0%,
      rgba(6, 30, 26, 0.55) 42%,
      rgba(6, 30, 26, 0.88) 100%
    ),
    radial-gradient(
      80% 60% at 15% 80%,
      rgba(10, 67, 58, 0.45),
      transparent 60%
    );
}

.hero-content {
  width: min(1140px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 5.5rem 0 4.5rem;
  min-width: 0;
}

.hero-brand {
  font-family: var(--font-display);
  /* Syne ExtraBold ~9.6em genişlik; taşmayı önlemek için güçlü ölçek */
  font-size: clamp(1.4rem, calc((100vw - 2rem) / 9.9), 5.4rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1.08;
  margin: 0 0 1.1rem;
  display: inline-block;
  max-width: 100%;
  white-space: nowrap;
  overflow: visible;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 4.2vw, 2rem);
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.25;
  max-width: 22ch;
  margin: 0 0 1rem;
  overflow-wrap: break-word;
}

.hero-lead {
  max-width: 38rem;
  margin: 0 0 1.75rem;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(0.98rem, 2.8vw, 1.08rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

@keyframes heroZoom {
  from {
    transform: scale(1.04);
  }
  to {
    transform: scale(1.1);
  }
}

/* Sections */
.section {
  padding: clamp(4rem, 8vw, 6.5rem) 0;
}

.section-alt {
  background: var(--surface-alt);
}

.section-head {
  max-width: 40rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.eyebrow {
  display: inline-block;
  margin: 0 0 0.7rem;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-mid);
}

.section-head h2,
.panel-copy h2,
.cta-copy h2,
.contact-intro h2 {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 1.1rem + 2.2vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 0.85rem;
  color: var(--ink);
  overflow-wrap: break-word;
}

.section-head p,
.panel-copy > p,
.cta-copy p,
.contact-intro p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 1.05rem;
}

.panel-copy .text-follow {
  margin-top: 1.1rem;
  color: var(--ink-muted);
}

.panel-actions {
  margin-top: 1.6rem;
}

.form-submit {
  margin-top: 1.15rem;
}

.eyebrow-on-dark {
  color: rgba(255, 255, 255, 0.72);
}

/* Intro split */
.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}

.split.reverse {
  grid-template-columns: 0.95fr 1.05fr;
}

.split.reverse .panel-copy {
  order: 2;
}

.split.reverse .panel-media {
  order: 1;
}

.panel-media {
  position: relative;
}

.panel-media img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.media-offset {
  clip-path: polygon(0 0, 100% 0, 100% 88%, 92% 100%, 0 100%);
}

.media-angled {
  transform: rotate(-1.5deg);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: auto -12px -12px auto;
  width: 42%;
  height: 42%;
  border: 2px solid color-mix(in srgb, var(--brand) 35%, white);
  border-radius: var(--radius);
  z-index: -1;
}

.emission-list {
  display: grid;
  gap: 0.85rem;
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
}

.emission-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  align-items: start;
  padding: 1rem 1.1rem;
  background: var(--surface);
  border-left: 3px solid var(--brand);
}

.emission-list strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 0.15rem;
}

.emission-list span {
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.pill-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.4rem;
  height: 2.4rem;
  border-radius: 8px;
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 800;
  font-size: 0.82rem;
}

/* Features */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}

.feature {
  padding: 1.35rem 1.25rem 1.4rem;
  background: var(--surface);
  border-top: 2px solid var(--brand);
  transition: transform 0.3s var(--ease), background 0.3s var(--ease);
}

.feature:hover {
  transform: translateY(-4px);
  background: #fff;
}

.feature-icon {
  width: 42px;
  height: 42px;
  margin-bottom: 1rem;
  color: var(--brand);
}

.feature-icon svg {
  width: 100%;
  height: 100%;
}

.feature h3 {
  font-family: var(--font-display);
  font-size: 1.12rem;
  margin: 0 0 0.45rem;
  letter-spacing: -0.02em;
}

.feature p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.96rem;
}

/* IoT list */
.iot-points {
  display: grid;
  gap: 1rem;
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
}

.iot-points li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 0.85rem;
  align-items: start;
}

.iot-points .dot {
  width: 10px;
  height: 10px;
  margin-top: 0.55rem;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 6px var(--brand-soft);
}

.iot-points strong {
  display: block;
  margin-bottom: 0.15rem;
  font-size: 1rem;
}

.iot-points p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

/* Flow */
.flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.flow-step {
  position: relative;
  padding: 1.5rem 1.2rem;
  background: var(--surface);
  border: 1px solid var(--line);
  min-height: 160px;
}

.flow-step::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -0.55rem;
  width: 0.7rem;
  height: 2px;
  background: var(--brand);
  transform: translateY(-50%);
}

.flow-step:last-child::after {
  display: none;
}

.flow-index {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--brand);
  letter-spacing: 0.08em;
  margin-bottom: 0.85rem;
}

.flow-step h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0 0 0.4rem;
  letter-spacing: -0.02em;
}

.flow-step p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.92rem;
}

/* Applications */
.app-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.25rem;
}

.app-visual {
  position: relative;
  min-height: 420px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.app-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.app-visual .caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1.5rem;
  background: linear-gradient(transparent, rgba(6, 30, 26, 0.82));
  color: #fff;
}

.app-visual .caption strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.app-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  align-content: start;
}

.app-item {
  padding: 1.1rem 1rem;
  background: var(--surface-alt);
  border-bottom: 2px solid transparent;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.app-item:hover {
  border-bottom-color: var(--brand);
  background: #fff;
}

.app-item span {
  display: block;
  font-weight: 700;
  font-size: 0.98rem;
}

/* CTA band */
.cta-band {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 85% 20%, rgba(255, 255, 255, 0.12), transparent 35%),
    linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
  color: #fff;
}

.cta-band .container {
  display: grid;
  grid-template-columns: 1.3fr auto;
  gap: 2rem;
  align-items: center;
}

.cta-copy h2 {
  color: #fff;
}

.cta-copy p {
  color: rgba(255, 255, 255, 0.82);
  max-width: 38rem;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Contact */
.contact-wrap {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.contact-meta {
  display: grid;
  gap: 1rem;
  margin-top: 1.75rem;
}

.meta-item {
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.meta-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.meta-item span {
  display: block;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand-mid);
  margin-bottom: 0.35rem;
}

.meta-item p,
.meta-item a {
  margin: 0;
  font-weight: 600;
}

.contact-form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.35rem, 3vw, 2rem);
  box-shadow: var(--shadow-soft);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.field {
  display: grid;
  gap: 0.4rem;
}

.field.full {
  grid-column: 1 / -1;
}

.field label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--ink);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.85rem 0.95rem;
  color: var(--ink);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.field textarea {
  min-height: 140px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(10, 67, 58, 0.12);
}

.form-note {
  margin: 0.85rem 0 0;
  font-size: 0.85rem;
  color: var(--ink-muted);
}

.alert {
  margin-bottom: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
}

.alert-success {
  background: var(--brand-soft);
  color: var(--brand);
  border: 1px solid color-mix(in srgb, var(--brand) 25%, white);
}

.alert-error {
  background: #fdecec;
  color: var(--warn);
  border: 1px solid #f5c2c0;
}

.honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

/* Footer */
.site-footer {
  background: var(--surface-alt);
  border-top: 1px solid var(--line);
  padding: 3rem 0 1.75rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
}

.footer-brand img {
  height: 40px;
  width: auto;
  margin-bottom: 1rem;
}

.footer-brand p {
  margin: 0;
  color: var(--ink-muted);
  max-width: 28rem;
  font-size: 0.95rem;
}

.footer-col h3 {
  margin: 0 0 0.9rem;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.footer-col a,
.footer-col li {
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.footer-col a:hover {
  color: var(--brand);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 1.35rem;
  color: var(--ink-muted);
  font-size: 0.88rem;
}

.footer-tagline {
  font-weight: 700;
  color: var(--brand);
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

/* Responsive */
@media (max-width: 980px) {
  .container {
    width: min(1140px, calc(100% - 2rem));
  }

  .hero-content {
    width: min(1140px, calc(100% - 2rem));
  }

  .split,
  .split.reverse,
  .app-grid,
  .contact-wrap,
  .cta-band .container,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .split.reverse .panel-copy,
  .split.reverse .panel-media {
    order: initial;
  }

  .feature-grid {
    grid-template-columns: 1fr 1fr;
  }

  .flow {
    grid-template-columns: 1fr 1fr;
  }

  .flow-step::after {
    display: none;
  }

  .app-visual {
    min-height: 280px;
  }

  .media-angled {
    transform: none;
  }

  .media-frame::after {
    display: none;
  }

  .panel-media {
    overflow: hidden;
    border-radius: var(--radius-lg);
  }
}

@media (max-width: 820px) {
  :root {
    --header-h: 64px;
  }

  .brand-logo {
    max-width: min(68vw, 200px);
  }

  .brand-logo img {
    height: 34px;
  }

  .menu-toggle {
    display: inline-flex;
    flex-shrink: 0;
  }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 1.25rem 1.25rem;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 16px 30px rgba(10, 67, 58, 0.08);
    max-height: calc(100svh - var(--header-h));
    overflow-y: auto;
  }

  .nav.is-open {
    display: flex;
  }

  .nav a {
    padding: 0.85rem 0.25rem;
    border-bottom: 1px solid var(--line);
  }

  .header-actions .btn {
    display: none;
  }

  .header-inner {
    gap: 0.75rem;
  }

  .hero {
    min-height: min(640px, calc(100svh - var(--header-h)));
  }

  .hero-content {
    padding: 3.25rem 0 2.75rem;
  }

  .hero-brand {
    font-size: clamp(1.35rem, calc((100vw - 2rem) / 9.9), 3.2rem);
    margin-bottom: 0.85rem;
  }

  .hero-title {
    max-width: none;
  }

  .section {
    padding: clamp(3rem, 7vw, 4.5rem) 0;
  }

  .feature:hover {
    transform: none;
  }

  .btn:hover {
    transform: none;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 1rem;
  }

  .container,
  .hero-content {
    width: min(1140px, calc(100% - 2rem));
  }

  .brand-logo {
    max-width: min(62vw, 180px);
  }

  .brand-logo img {
    height: 30px;
  }

  .hero-brand {
    font-size: clamp(1.3rem, calc((100vw - 2.25rem) / 10.2), 2.7rem);
    letter-spacing: -0.055em;
  }

  .hero-lead {
    margin-bottom: 1.35rem;
  }

  .hero-actions,
  .cta-actions {
    width: 100%;
  }

  .hero-actions .btn,
  .cta-actions .btn {
    width: 100%;
  }

  .feature-grid,
  .flow,
  .form-grid,
  .app-list {
    grid-template-columns: 1fr;
  }

  .feature {
    padding: 1.15rem 1rem 1.2rem;
  }

  .emission-list li {
    padding: 0.9rem 0.85rem;
    gap: 0.7rem;
  }

  .app-item span {
    font-size: 0.92rem;
    line-height: 1.35;
    overflow-wrap: break-word;
  }

  .app-visual {
    min-height: 240px;
  }

  .app-visual .caption {
    padding: 1.15rem;
  }

  .app-visual .caption strong {
    font-size: 1.05rem;
  }

  .contact-form {
    padding: 1.15rem;
    border-radius: 16px;
  }

  .footer-brand img {
    height: 34px;
    max-width: 200px;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .eyebrow {
    letter-spacing: 0.1em;
    font-size: 0.72rem;
  }
}

@media (max-width: 390px) {
  .container,
  .hero-content {
    width: min(1140px, calc(100% - 1.75rem));
  }

  .hero-brand {
    font-size: clamp(1.2rem, calc((100vw - 2rem) / 10.35), 2.25rem);
  }

  .brand-logo {
    max-width: calc(100vw - 5.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-media img,
  .reveal,
  .btn,
  .feature {
    animation: none !important;
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
}