/* =========================================
   SMOOTH MONDAY — Päätyylitiedosto
   ========================================= */

/* --- CSS Custom Properties --- */
:root {
  /* Värit */
  --color-bg:         #f5f5f5;
  --color-surface:    #ffffff;
  --color-surface-2:  #ebebeb;
  --color-border:     #e0e0e0;
  --color-accent:     #ED1566;
  --color-accent-dim: rgba(237, 21, 102, 0.08);
  --color-text:       #111111;
  --color-text-muted: #555555;
  --color-text-dim:   #aaaaaa;

  /* Typografia */
  --font-sans:   'Poppins', sans-serif;
  --font-mono:   'JetBrains Mono', monospace;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;
  --text-7xl:  4.5rem;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --container-max: 1200px;
  --container-wide: 1400px;
  --nav-height: 72px;

  /* Radii */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-xl:  20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.6);

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;
}

/* --- Base --- */
body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-size: var(--text-base);
  line-height: 1.6;
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container--wide {
  max-width: var(--container-wide);
}

/* --- Section padding --- */
.section {
  padding-block: var(--space-24);
}

.section--lg {
  padding-block: var(--space-32);
}

/* --- Typography --- */
.heading-xl {
  font-size: clamp(var(--text-4xl), 6vw, var(--text-7xl));
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.heading-lg {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.heading-md {
  font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.heading-sm {
  font-size: var(--text-xl);
  font-weight: 600;
  line-height: 1.3;
}

.text-muted {
  color: var(--color-text-muted);
}

.text-accent {
  color: var(--color-accent);
}

/* --- Label / eyebrow --- */
.label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.label::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--color-accent);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent);
  color: #ffffff;
}

.btn--primary:hover {
  background: #c4104f;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(237, 21, 102, 0.35);
}

.btn--outline {
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.btn--outline:hover {
  border-color: var(--color-text-muted);
  background: var(--color-surface);
  transform: translateY(-1px);
}

.btn--ghost {
  color: var(--color-text-muted);
  padding-inline: var(--space-4);
}

.btn--sm {
  padding: var(--space-1) var(--space-4);
  font-size: 11px;
  letter-spacing: 0.04em;
}

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

/* --- Divider --- */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
}

/* --- Scroll reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* =========================================
   NAVIGATION
   ========================================= */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: rgba(12, 12, 12, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: background var(--transition-slow);
  --color-text:       #ffffff;
  --color-text-muted: rgba(255, 255, 255, 0.65);
  --color-border:     rgba(255, 255, 255, 0.1);
}

.nav.scrolled {
  background: rgba(12, 12, 12, 0.96);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav .container {
  max-width: none;
  padding-inline: var(--space-3);
}

.nav__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
}

.nav__center {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  white-space: nowrap;
}

.nav__right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 800;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
  color: var(--color-text);
  transition: opacity var(--transition-fast);
}

.nav__logo:hover {
  opacity: 0.8;
}

.nav__logo-mark {
  width: 32px;
  height: 32px;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: 900;
  color: #000;
  flex-shrink: 0;
}

.nav__logo-img {
  height: 32px;
  width: auto;
  flex-shrink: 0;
}

/* Desktop links */
.nav__links {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav__link {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav__link:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.1);
}

.nav__link.active {
  color: #ffffff;
  background: var(--color-accent);
}

/* Nav CTA */
.nav__cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Hamburger (mobiili) */
.nav__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: var(--space-2);
}

.nav__burger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav__burger.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav__burger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav__burger.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile menu */
.nav__mobile {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--nav-height);
  background: var(--color-bg);
  padding: var(--space-8) var(--space-6);
  flex-direction: column;
  gap: var(--space-2);
  z-index: 99;
}

.nav__mobile.open {
  display: flex;
}

.nav__mobile-link {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-fast);
}

.nav__mobile-link:hover {
  color: var(--color-text);
}

.nav__mobile-cta {
  margin-top: var(--space-6);
}

/* =========================================
   HERO
   ========================================= */

/* page-hero (palvelut, info) — valkoinen teksti taustavalokuvan päällä */
.page-hero {
  --color-text:       #ffffff;
  --color-text-muted: rgba(255, 255, 255, 0.65);
  --color-text-dim:   rgba(255, 255, 255, 0.35);
  color: #ffffff;
}

.page-hero em {
  color: #ffffff;
}

/* Taustavalokuva — käytetään page-herossa */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg-gradient {
  position: absolute;
  inset: 0;
  background-image: url('../img/photos/hero-bg.jpg');
  background-size: cover;
  background-position: center 40%;
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(0, 0, 0, 0.82) 0%,
    rgba(0, 0, 0, 0.55) 55%,
    rgba(0, 0, 0, 0.25) 100%
  );
}

/* Etusivun hero — split layout */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  background: var(--color-bg);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  padding-block: var(--space-16);
  width: 100%;
}

.hero__content {
  max-width: 560px;
}

/* Video-upotus */
.hero__media {
  width: 100%;
}

.hero__video-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.12);
}

.hero__video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.hero__label {
  margin-bottom: var(--space-6);
}

.hero__title {
  margin-bottom: var(--space-6);
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
}

.hero__title em {
  font-style: normal;
  color: var(--color-accent);
}

.hero__desc {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: var(--space-10);
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Scroll-indikaattori */
.hero__scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-dim);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-text-dim), transparent);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* Asiakaslogot hero-ssa */
.hero__clients {
  margin-top: var(--space-20);
  padding-top: var(--space-10);
  border-top: 1px solid var(--color-border);
}

.hero__clients-label {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: var(--space-6);
}

.hero__clients-list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.hero__client {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-text-dim);
  text-transform: uppercase;
  transition: color var(--transition-fast);
}

.hero__client:hover {
  color: var(--color-text-muted);
}

/* =========================================
   LOGO CAROUSEL
   ========================================= */
.logo-carousel {
  padding-block: var(--space-12);
  background: #ffffff;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.logo-carousel__label {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  text-align: center;
  margin-bottom: var(--space-8);
}

.logo-carousel__track {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent, black 12%, black 88%, transparent);
  mask-image: linear-gradient(to right, transparent, black 12%, black 88%, transparent);
}

.logo-carousel__inner {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  width: max-content;
  animation: logo-scroll 28s linear infinite;
}

.logo-carousel__inner:hover {
  animation-play-state: paused;
}

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

.logo-carousel__item {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.logo-carousel__item img {
  height: 36px;
  width: auto;
  opacity: 0.85;
  transition: opacity var(--transition-base);
}

.logo-carousel__item:hover img {
  opacity: 1;
}

/* =========================================
   SERVICES
   ========================================= */
.services {
  background: var(--color-surface);
}

.services__header {
  margin-bottom: var(--space-16);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-4);
}

.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: border-color var(--transition-base), transform var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

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

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  background: var(--color-accent-dim);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  font-size: 22px;
}

.service-card__title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.service-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
  background: #111111;
  border-top: none;
  padding-block: var(--space-16);
  --color-text:       #ffffff;
  --color-text-muted: #888888;
  --color-text-dim:   #444444;
  --color-border:     #2a2a2a;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-8);
  align-items: start;
}

.footer__brand {
  max-width: 360px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 800;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

.footer__logo-mark {
  width: 28px;
  height: 28px;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: 900;
  color: #000;
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-4);
}

.footer__contact {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  line-height: 1.5;
}

.footer__contact a:hover {
  color: var(--color-accent);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: flex-end;
  padding-top: calc(32px + var(--space-3));
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-text);
}

.footer__bottom {
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-text-dim);
}

.footer__social {
  display: flex;
  gap: var(--space-3);
}

.footer__social-link {
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  transition: all var(--transition-base);
}

.footer__social-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-dim);
}

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 768px) {
  .nav__inner {
    grid-template-columns: 1fr auto;
  }

  .nav__center,
  .nav__links,
  .nav__cta .btn--outline {
    display: none;
  }

  .nav__burger {
    display: flex;
  }

  .hero__desc {
    font-size: var(--text-base);
  }

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

  .footer__links {
    align-items: flex-start;
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-4);
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .container {
    padding-inline: var(--space-4);
  }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }

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