/* ========================================
   Gabio Web Studio — Design System
   ======================================== */

/* --- Tokens --- */
:root {
  --color-bg: #060918;
  --color-surface: #0A0E27;
  --color-mint: #5CEAAB;
  --color-blue: #3B82F6;
  --color-white: #FFFFFF;
  --color-muted: rgba(255, 255, 255, 0.5);
  --color-dimmed: rgba(255, 255, 255, 0.35);
  --color-subtle: rgba(255, 255, 255, 0.2);
  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-hover: rgba(255, 255, 255, 0.12);
  --color-card-bg: rgba(255, 255, 255, 0.02);
  --color-mint-dim: rgba(92, 234, 171, 0.5);
  --color-mint-glow: rgba(92, 234, 171, 0.08);
  --color-text-secondary: rgba(255, 255, 255, 0.6);
  --color-success: #2dd4a0;

  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --max-width: 1200px;
  --section-pad: clamp(80px, 10vw, 140px);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --transition: 200ms ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-muted);
  background: var(--color-bg);
  overflow-x: hidden;
}

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

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

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3 {
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.1;
}

h1 {
  font-size: clamp(36px, 5vw, 56px);
  letter-spacing: -2px;
}

h2 {
  font-size: clamp(28px, 4vw, 38px);
  letter-spacing: -1.5px;
}

h3 {
  font-size: clamp(16px, 2vw, 20px);
  letter-spacing: -0.3px;
  font-weight: 700;
}

.headline-dim {
  color: var(--color-dimmed);
}

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}

section {
  padding: var(--section-pad) 0;
  position: relative;
  overflow: hidden;
}

/* --- Section Label --- */
.section-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 5px;
  color: var(--color-mint);
  margin-bottom: 16px;
}

/* --- Cards --- */
.card {
  padding: 28px 24px;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), background var(--transition);
}

.card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
}

.card-number {
  font-size: 10px;
  color: var(--color-mint-dim);
  letter-spacing: 3px;
  font-weight: 500;
  margin-bottom: 12px;
}

/* --- Gradient line accent (top of cards) --- */
.gradient-line::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(92, 234, 171, 0.3), transparent);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-weight: 700;
  font-size: 14px;
  border-radius: var(--radius-md);
  padding: 14px 28px;
  transition: transform var(--transition), box-shadow var(--transition);
  will-change: transform;
}

.btn-primary {
  background: var(--color-mint);
  color: var(--color-bg);
}

.btn-primary:hover {
  box-shadow: 0 0 30px rgba(92, 234, 171, 0.2);
}

.btn-ghost {
  border: 1px solid rgba(92, 234, 171, 0.25);
  color: var(--color-mint);
  font-weight: 500;
}

.btn-ghost:hover {
  border-color: rgba(92, 234, 171, 0.5);
  background: rgba(92, 234, 171, 0.05);
}

/* --- Gradient text utility --- */
.gradient-text {
  background: linear-gradient(135deg, var(--color-mint), var(--color-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Ambient glow orbs --- */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.glow-orb--mint {
  background: radial-gradient(circle, var(--color-mint-glow) 0%, transparent 70%);
}

.glow-orb--blue {
  background: radial-gradient(circle, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
}

/* --- Reduced motion --- */
/* --- FOUC prevention: hide animated elements until GSAP initializes --- */
.hero__eyebrow,
.hero__line,
.hero__sub,
.hero__ctas .btn,
.hero__scroll,
.nav {
  opacity: 0;
}

.gsap-ready .hero__eyebrow,
.gsap-ready .hero__line,
.gsap-ready .hero__sub,
.gsap-ready .hero__ctas .btn,
.gsap-ready .hero__scroll,
.gsap-ready .nav {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
  /* Show everything immediately when motion is reduced */
  .hero__eyebrow,
  .hero__line,
  .hero__sub,
  .hero__ctas .btn,
  .hero__scroll,
  .nav {
    opacity: 1;
  }
}

/* ========================================
   Navigation
   ======================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: background var(--transition), border-color var(--transition), padding var(--transition);
  border-bottom: 1px solid transparent;
}

.nav--scrolled {
  background: rgba(6, 9, 24, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--color-border);
  padding: 12px 0;
}

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

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav__logo-mark {
  width: 32px;
  height: 32px;
}

.nav__logo-text {
  font-weight: 700;
  font-size: 15px;
  color: var(--color-white);
  letter-spacing: -0.3px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-size: 13px;
  color: var(--color-muted);
  letter-spacing: 0.5px;
  transition: color var(--transition);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-white);
}

.nav__cta {
  padding: 8px 20px;
  font-size: 12px;
}

/* Hamburger (hidden on desktop, visible on mobile) */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-white);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav__hamburger[aria-expanded="true"] span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.nav__hamburger[aria-expanded="true"] span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* ========================================
   Hero
   ======================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  padding: 120px 0 80px;
}

.hero__orb-1 {
  width: 500px;
  height: 500px;
  top: -200px;
  right: -100px;
}

.hero__orb-2 {
  width: 350px;
  height: 350px;
  bottom: -100px;
  left: -80px;
}

.hero__cursor-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(92, 234, 171, 0.06) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -50%);
  z-index: 1;
  transition: opacity 0.3s ease;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero__eyebrow {
  display: block;
  margin-bottom: 24px;
}

.hero__headline {
  margin-bottom: 24px;
}

.hero__line {
  display: block;
}

.hero__sub {
  font-size: clamp(15px, 2vw, 17px);
  color: var(--color-text-secondary);
  max-width: 480px;
  margin: 0 auto;
}

.hero__ctas {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-top: 36px;
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
}

.hero__scroll span {
  font-size: 9px;
  color: var(--color-subtle);
  letter-spacing: 3px;
}

.hero__scroll-line {
  width: 1px;
  height: 24px;
  background: linear-gradient(180deg, rgba(92, 234, 171, 0.3), transparent);
}

/* ========================================
   Services
   ======================================== */
.services__header {
  max-width: 600px;
  margin-bottom: 60px;
}

.services__sub {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin-top: 16px;
  max-width: 450px;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.services__grid .card h3 {
  margin-bottom: 10px;
}

.services__grid .card p {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.services__tagline {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 48px;
}

.services__tagline span {
  font-size: 10px;
  color: var(--color-subtle);
  letter-spacing: 3px;
  white-space: nowrap;
}

.services__tagline-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(92, 234, 171, 0.2), transparent);
}

.services__tagline-line:last-child {
  background: linear-gradient(270deg, rgba(92, 234, 171, 0.2), transparent);
}

/* ========================================
   Process / Timeline
   ======================================== */
.process__header {
  max-width: 600px;
  margin-bottom: 60px;
}

.process__sub {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin-top: 16px;
  max-width: 450px;
}

.timeline {
  position: relative;
  padding-left: 48px;
  max-width: 620px;
}

.timeline__line {
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--color-mint), rgba(92, 234, 171, 0.15));
  transform-origin: top;
}

.timeline__step {
  position: relative;
  margin-bottom: 48px;
}

.timeline__step:last-child {
  margin-bottom: 0;
}

.timeline__node {
  position: absolute;
  left: -48px;
  top: 2px;
  width: 31px;
  height: 31px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 1.5px solid rgba(92, 234, 171, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.4s ease;
}

.timeline__node--active {
  border-color: var(--color-mint);
}

.timeline__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(92, 234, 171, 0.3);
  transition: background 0.4s ease;
}

.timeline__node--active .timeline__dot {
  background: var(--color-mint);
}

.timeline__label {
  font-size: 10px;
  color: var(--color-mint-dim);
  letter-spacing: 3px;
  font-weight: 500;
  display: block;
  margin-bottom: 6px;
}

.timeline__content h3 {
  margin-bottom: 8px;
}

.timeline__content p {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.timeline__time {
  display: block;
  margin-top: 10px;
  font-size: 11px;
  color: var(--color-subtle);
}

/* ========================================
   Pricing
   ======================================== */
.pricing__header {
  max-width: 600px;
  margin-bottom: 60px;
}

.pricing__sub {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin-top: 16px;
  max-width: 480px;
}

.pricing__items {
  max-width: 680px;
}

.pricing__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 32px;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: 8px;
  transition: border-color var(--transition), background var(--transition);
  position: relative;
  overflow: hidden;
}

.pricing__row:hover {
  border-color: var(--color-border-hover);
  background: rgba(255, 255, 255, 0.03);
}

.pricing__row--primary {
  padding: 28px 32px;
  background: rgba(92, 234, 171, 0.04);
  border-color: rgba(92, 234, 171, 0.15);
  margin-bottom: 12px;
}

.pricing__row--primary:hover {
  border-color: rgba(92, 234, 171, 0.3);
  box-shadow: 0 0 40px rgba(92, 234, 171, 0.06);
}

.pricing__info {
  flex: 1;
  min-width: 0;
}

.pricing__info h3 {
  font-size: 18px;
  margin-bottom: 4px;
}

.pricing__row:not(.pricing__row--primary) .pricing__info h3 {
  font-size: 16px;
  font-weight: 600;
}

.pricing__info p {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.pricing__tag {
  display: inline-block;
  font-size: 10px;
  color: rgba(92, 234, 171, 0.4);
  letter-spacing: 2px;
  margin-bottom: 6px;
}

.pricing__tag--blue {
  color: rgba(59, 130, 246, 0.6);
}

.pricing__price {
  text-align: right;
  flex-shrink: 0;
  margin-left: 24px;
}

.pricing__from {
  display: block;
  font-size: 11px;
  color: rgba(92, 234, 171, 0.6);
  letter-spacing: 2px;
  margin-bottom: 2px;
}

.pricing__row:not(.pricing__row--primary) .pricing__from {
  color: rgba(255, 255, 255, 0.25);
}

.pricing__amount {
  font-size: 20px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.8);
}

.pricing__row--primary .pricing__amount {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -1px;
}

.pricing__period {
  font-size: 12px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.3);
}

.pricing__divider {
  border: none;
  height: 1px;
  background: var(--color-border);
  margin: 20px 0;
}

.pricing__note {
  margin-top: 32px;
  max-width: 680px;
  padding: 18px 24px;
  background: rgba(255, 255, 255, 0.015);
  border-left: 2px solid rgba(92, 234, 171, 0.25);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.pricing__note p {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.pricing__cta {
  margin-top: 32px;
}

/* ========================================
   About
   ======================================== */
.about__orb {
  width: 400px;
  height: 400px;
  bottom: -100px;
  right: -50px;
}

.about__header {
  max-width: 600px;
  margin-bottom: 48px;
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 48px;
}

.about__manifesto p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.8;
  margin-bottom: 20px;
}

.about__manifesto p:last-child {
  margin-bottom: 0;
}

.about__values {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about__values .card h3 {
  margin-bottom: 6px;
}

.about__values .card p {
  font-size: 13px;
  color: var(--color-dimmed);
  line-height: 1.6;
}

.about__personal {
  display: flex;
  gap: 32px;
  align-items: center;
  padding: 32px;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.about__photo {
  flex-shrink: 0;
}

.about__photo-placeholder {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(92, 234, 171, 0.08), rgba(59, 130, 246, 0.05));
  border: 1px solid rgba(92, 234, 171, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about__photo-placeholder span {
  font-size: 9px;
  color: rgba(92, 234, 171, 0.4);
  letter-spacing: 1px;
}

.about__photo img {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.about__bio h3 {
  font-size: 20px;
  margin-bottom: 4px;
}

.about__role {
  display: block;
  font-size: 12px;
  color: var(--color-mint);
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.about__bio p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 420px;
}

/* ========================================
   Contact
   ======================================== */
.contact {
  text-align: center;
}

.contact__orb {
  width: 500px;
  height: 500px;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
}

.contact__header {
  max-width: 500px;
  margin: 0 auto 56px;
  position: relative;
  z-index: 1;
}

.contact__sub {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin-top: 16px;
}

/* Gradient shimmer on "Ozvěte se" */
.shimmer {
  background-size: 200% 100%;
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Form */
.contact__form {
  max-width: 560px;
  margin: 0 auto;
  text-align: left;
  position: relative;
  z-index: 1;
}

.form__row--half {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form__group {
  margin-bottom: 16px;
}

.form__label {
  display: block;
  font-size: 11px;
  color: var(--color-dimmed);
  letter-spacing: 2px;
  margin-bottom: 8px;
  transition: color var(--transition);
}

.form__optional {
  color: var(--color-subtle);
}

.form__input {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  font-family: var(--font);
  font-size: 14px;
  color: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form__input::placeholder {
  color: var(--color-subtle);
}

.form__input:focus {
  border-color: var(--color-mint);
  box-shadow: 0 0 20px rgba(92, 234, 171, 0.08);
}

.form__group:focus-within .form__label {
  color: var(--color-mint);
}

.form__select {
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='rgba(255,255,255,0.25)' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
  padding-right: 44px;
}

.form__select option {
  background: var(--color-surface);
  color: var(--color-white);
}

.form__textarea {
  resize: vertical;
  min-height: 80px;
}

.form__submit {
  width: 100%;
  margin-top: 8px;
  position: relative;
  overflow: hidden;
}

.form__submit-check {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  opacity: 0;
  transform: scale(0.5);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.form__submit--sent .form__submit-text {
  opacity: 0;
}

.form__submit--sent .form__submit-check {
  opacity: 1;
  transform: scale(1);
}

.form__submit--sent {
  background: var(--color-success);
  pointer-events: none;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  border-top: 1px solid var(--color-border);
  padding: 40px 0;
}

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

.footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer__logo img {
  width: 28px;
  height: 28px;
}

.footer__logo span {
  font-weight: 700;
  font-size: 14px;
  color: var(--color-white);
  letter-spacing: -0.3px;
}

.footer__copy {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.25);
}

.footer__links {
  display: flex;
  gap: 20px;
}

.footer__links a {
  font-size: 12px;
  color: var(--color-dimmed);
  transition: color var(--transition);
}

.footer__links a:hover {
  color: var(--color-white);
}

/* ========================================
   Responsive
   ======================================== */

/* Tablet: ≤ 900px */
@media (max-width: 900px) {
  .services__grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .pricing__row {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .pricing__price {
    text-align: left;
    margin-left: 0;
  }

  .footer__inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

/* Mobile: ≤ 640px */
@media (max-width: 640px) {
  /* Nav */
  .nav__links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(6, 9, 24, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 24px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 99;
  }

  .nav__links--open {
    opacity: 1;
    pointer-events: auto;
  }

  .nav__links .nav__link {
    font-size: 18px;
  }

  .nav__links .nav__cta {
    font-size: 14px;
    padding: 12px 24px;
  }

  .nav__hamburger {
    display: flex;
    z-index: 101;
  }

  /* Hero */
  .hero__ctas {
    flex-direction: column;
    align-items: center;
  }

  .hero__ctas .btn {
    width: 100%;
    max-width: 300px;
  }

  /* Form */
  .form__row--half {
    grid-template-columns: 1fr;
  }

  /* About personal */
  .about__personal {
    flex-direction: column;
    text-align: center;
  }

  .about__bio p {
    max-width: none;
  }
}