/* yazılımware — kampanya açılış sayfası */
:root {
  --orange: #f26522;
  --orange-deep: #d95412;
  --orange-soft: rgba(242, 101, 34, 0.12);
  --orange-mist: rgba(242, 101, 34, 0.06);
  --ink: #2d2d2d;
  --ink-muted: #5c5c5c;
  --line: rgba(45, 45, 45, 0.12);
  --white: #ffffff;
  --radius: 4px;
  --font: "Outfit", system-ui, sans-serif;
  --display: "Space Grotesk", "Outfit", system-ui, sans-serif;
  --max: 1120px;
  --header-h: 4.5rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--orange);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--orange-deep);
}

/* Atmosphere — soft radial washes, not flat white */
.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, var(--orange-soft), transparent 55%),
    radial-gradient(ellipse 60% 40% at 95% 15%, rgba(242, 101, 34, 0.08), transparent 50%),
    radial-gradient(ellipse 50% 35% at 50% 100%, var(--orange-mist), transparent 60%),
    linear-gradient(180deg, #fff 0%, #faf8f6 45%, #fff 100%);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
  padding: 0.65rem clamp(1rem, 4vw, 2.5rem);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.brand-lockup {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo {
  width: clamp(132px, 18vw, 168px);
}

.nav-links {
  display: none;
  gap: 1.75rem;
}

.nav-links a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--orange);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.85rem 1.35rem;
  border-radius: var(--radius);
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

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

.btn-sm {
  padding: 0.55rem 0.95rem;
  font-size: 0.85rem;
}

.btn-primary {
  background: var(--orange);
  color: var(--white);
  border-color: var(--orange);
}

.btn-primary:hover {
  background: var(--orange-deep);
  border-color: var(--orange-deep);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}

.btn-outline:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: transparent;
  box-shadow: inset 0 -2px 0 var(--orange);
  border-radius: 0;
  padding-left: 0.15rem;
  padding-right: 0.15rem;
}

.btn-ghost:hover {
  color: var(--orange);
}

/* Hero — brand-first composition */
.hero {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(2.5rem, 8vw, 5.5rem) clamp(1rem, 4vw, 2.5rem) clamp(3rem, 7vw, 5rem);
  min-height: calc(100svh - var(--header-h));
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.hero-mark {
  position: absolute;
  right: -8%;
  top: 50%;
  translate: 0 -50%;
  width: min(52vw, 420px);
  aspect-ratio: 1;
  opacity: 0.14;
  background:
    linear-gradient(125deg, transparent 28%, var(--orange) 28% 38%, transparent 38%),
    linear-gradient(55deg, transparent 28%, var(--ink) 28% 42%, transparent 42%),
    linear-gradient(125deg, transparent 62%, var(--orange) 62% 72%, transparent 72%);
  background-size: 100% 100%;
  animation: mark-drift 14s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes mark-drift {
  from {
    transform: rotate(-6deg) scale(1);
  }
  to {
    transform: rotate(4deg) scale(1.06);
  }
}

.hero-badge {
  display: inline-flex;
  align-self: flex-start;
  margin: 0 0 1.25rem;
  padding: 0.35rem 0;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--orange);
  border-bottom: 2px solid var(--orange);
}

.hero-title {
  margin: 0;
  max-width: 14ch;
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.hero-brand {
  display: block;
  font-size: clamp(2.6rem, 9vw, 4.75rem);
  color: var(--ink);
  margin-bottom: 0.35rem;
}

.hero-brand span {
  color: var(--orange);
}

.hero-line {
  display: block;
  font-size: clamp(1.55rem, 4.5vw, 2.35rem);
  color: var(--ink);
  font-weight: 600;
}

.hero-lead {
  margin: 1.35rem 0 0;
  max-width: 36rem;
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  color: var(--ink-muted);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  margin-top: 2rem;
}

/* Sections */
.section-head {
  max-width: 36rem;
  margin-bottom: 2rem;
}

.section-head h2 {
  margin: 0 0 0.5rem;
  font-family: var(--display);
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.section-head p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 1.05rem;
}

.campaign,
.packages,
.howto {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 5rem) clamp(1rem, 4vw, 2.5rem);
}

/* Coupon */
.coupon {
  display: grid;
  gap: 1.25rem;
  padding: 1.75rem clamp(1.25rem, 3vw, 2rem);
  border: 2px solid var(--orange);
  background:
    linear-gradient(135deg, var(--orange-mist), transparent 55%),
    var(--white);
  animation: coupon-glow 3.5s ease-in-out infinite alternate;
}

@keyframes coupon-glow {
  from {
    box-shadow: 0 0 0 0 rgba(242, 101, 34, 0);
  }
  to {
    box-shadow: 0 12px 40px -18px rgba(242, 101, 34, 0.55);
  }
}

.coupon-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  align-items: baseline;
}

.coupon-label {
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--orange);
}

.coupon-note {
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.coupon-code-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1.25rem;
}

#coupon-code {
  font-family: var(--display);
  font-size: clamp(2.5rem, 8vw, 3.5rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--orange);
  background: transparent;
  padding: 0;
  line-height: 1;
}

.coupon-hint {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink-muted);
}

.coupon-ig {
  margin: 0;
  color: var(--ink-muted);
}

.coupon-ig a {
  font-weight: 600;
  text-decoration: none;
}

.coupon-ig a:hover {
  text-decoration: underline;
}

/* Packages — interaction containers */
.package-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 900px) {
  .package-grid {
    grid-template-columns: repeat(3, 1fr);
    align-items: stretch;
    gap: 1.5rem;
  }
}

.package {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
  padding: 1.65rem 1.5rem 1.5rem;
  border: 1px solid var(--line);
  background: var(--white);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.package:hover {
  border-color: rgba(242, 101, 34, 0.45);
  transform: translateY(-3px);
}

.package-featured {
  border-color: var(--orange);
  border-width: 2px;
  background:
    linear-gradient(180deg, var(--orange-mist), transparent 40%),
    var(--white);
}

@media (min-width: 900px) {
  .package-featured {
    transform: translateY(-8px);
  }

  .package-featured:hover {
    transform: translateY(-11px);
  }
}

.package-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.package-tier {
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 700;
}

.package-tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.package-tag-hot {
  color: var(--orange);
}

.package-price {
  display: grid;
  gap: 0.35rem;
}

.price-old {
  font-size: 0.95rem;
  color: var(--ink-muted);
  text-decoration: line-through;
  text-decoration-thickness: 1.5px;
}

.price-now {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.price-now strong {
  font-family: var(--display);
  font-size: clamp(2.4rem, 5vw, 2.85rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--ink);
}

.price-unit {
  font-size: 0.95rem;
  color: var(--ink-muted);
  font-weight: 500;
}

.price-save {
  display: inline-block;
  width: fit-content;
  margin-top: 0.15rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--orange);
}

.package-features {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
  color: var(--ink-muted);
  font-size: 0.95rem;
  flex: 1;
}

.package-features li {
  position: relative;
  padding-left: 1.15rem;
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.5rem;
}

.package-features li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.package-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.45rem;
  height: 0.45rem;
  background: var(--orange);
}

.package-cta {
  width: 100%;
  margin-top: auto;
}

.packages-note {
  margin: 1.75rem 0 0;
  text-align: center;
  font-size: 0.92rem;
  color: var(--ink-muted);
}

/* How to buy */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

.step-num {
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.step h3 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
  font-family: var(--display);
}

.step p {
  margin: 0;
  color: var(--ink-muted);
  max-width: 42rem;
}

.step code {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink);
  background: var(--orange-soft);
  padding: 0.1rem 0.35rem;
}

.contact-strip {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.5rem clamp(1.25rem, 3vw, 2rem);
  background: var(--ink);
  color: var(--white);
}

.contact-strip h3 {
  margin: 0 0 0.25rem;
  font-family: var(--display);
  font-size: 1.2rem;
}

.contact-strip p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.95rem;
}

.contact-strip .btn-primary {
  flex-shrink: 0;
}

/* Footer */
.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.5rem clamp(1rem, 4vw, 2.5rem) 2rem;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 1rem;
  text-align: center;
  justify-items: center;
}

.footer-logo {
  width: 120px;
  margin: 0 auto 0.5rem;
}

.footer-brand p {
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--orange);
  font-weight: 600;
}

.footer-legal {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink-muted);
}

.footer-credit {
  margin: 0.25rem 0 0;
  font-size: 0.92rem;
  color: var(--ink-muted);
}

.footer-credit a {
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
}

.footer-credit a:hover {
  color: var(--orange);
}

/* Reveal motion */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-mark,
  .coupon {
    animation: none;
  }

  .package,
  .package-featured {
    transition: none;
  }
}