/* Layout - Page structure and responsive grids */

/* Base layout with animated gradient */
body {
  margin: 0;
  font-family: var(--font-family-base);
  background: var(--bg);
  position: relative;
  min-height: 100vh;
  color: var(--text);
  line-height: var(--leading-normal);
  padding-top: var(--nav-height);
  overflow-x: hidden; /* Prevent horizontal scroll on resize */
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: var(--bg-gradient);
  z-index: -1;
  animation: gradientShift 20s ease-in-out infinite;
}

@keyframes gradientShift {
  0%, 100% {
    opacity: 1;
    transform: translateY(0);
  }
  50% {
    opacity: 0.85;
    transform: translateY(-20px);
  }
}

/* Container system - mobile first with responsive padding */
.container {
  max-width: 100%;
  margin: 0 auto;
  padding-left: var(--container-padding-mobile);
  padding-right: var(--container-padding-mobile);
  width: 100%;
}

/* Section spacing - responsive vertical rhythm */
.section {
  padding-top: var(--section-padding-mobile);
  padding-bottom: var(--section-padding-mobile);
  position: relative;
}

.section.tight {
  padding-top: calc(var(--section-padding-mobile) * 0.75);
  padding-bottom: calc(var(--section-padding-mobile) * 0.75);
}

/* First section after header - add extra top padding */
.section:first-of-type {
  padding-top: calc(var(--section-padding-mobile) + var(--space-6));
}

/* Remove section overlays - let main background show through */

/* Header - Always visible glass navbar */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  background: transparent;
  border-bottom: none;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15),
              0 2px 12px rgba(0, 0, 0, 0.10),
              inset 0 1px 1px rgba(255, 255, 255, 0.08);
  transition: transform 0.3s ease-in-out;
}

/* Hide header when scrolling down */
header.header-hidden {
  transform: translateY(-100%);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--nav-height);
  padding: var(--space-4) var(--container-padding-mobile) !important;
}

.actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Hamburger menu button - hidden by default on desktop */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
  z-index: 1002;
}

.hamburger-line {
  width: 22px;
  height: 2.5px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: block;
}

.hamburger-line:not(:last-child) {
  margin-bottom: 5px;
}

/* Proper X icon when active */
.hamburger.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: translateX(-10px);
}

.hamburger.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Menu - Compact Right-Aligned Dropdown */
.mobile-menu {
  position: fixed;
  top: var(--nav-height);
  right: 0;
  width: auto;
  min-width: var(--space-13) * 2.5;
  max-width: var(--space-13) * 3.33;
  background: var(--bg);
  backdrop-filter: blur(32px) saturate(180%);
  -webkit-backdrop-filter: blur(32px) saturate(180%);
  z-index: 1000;
  display: none;
  opacity: 0;
  transform: translateY(calc(var(--space-2) * -1.25));
  transition: opacity 0.3s ease, transform 0.3s ease;
  border-radius: var(--radius-lg);
  margin: var(--space-3) var(--space-4);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25),
              0 6px 20px rgba(0, 0, 0, 0.18),
              0 2px 8px rgba(0, 0, 0, 0.10),
              inset 0 1px 2px rgba(255, 255, 255, 0.08);
  border: var(--border-thin) solid rgba(var(--text-rgb), 0.1);
}

.mobile-menu.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  width: 100%;
  padding: var(--space-3);
  gap: var(--space-1);
}

.mobile-nav-link {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--text);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  background: transparent;
  border: var(--border-thin) solid transparent;
  text-align: center;
  white-space: nowrap;
}

.mobile-nav-link:hover,
.mobile-nav-link:active {
  background: rgba(var(--brand-rgb), 0.1);
  border-color: rgba(var(--brand-rgb), 0.2);
  color: var(--brand);
}

/* Scroll to Top Button */
.scroll-to-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: var(--space-9);
  height: var(--space-9);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px) saturate(150%);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  border: var(--border-medium) solid var(--brand);
  border-radius: var(--radius-full);
  cursor: pointer;
  z-index: 999;
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
  pointer-events: none;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15),
              0 2px 8px rgba(0, 0, 0, 0.10);
}

.scroll-to-top.visible {
  display: flex;
  opacity: 1;
  pointer-events: all;
}

.scroll-to-top:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--brand-strong);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.20),
              0 3px 10px rgba(0, 0, 0, 0.15);
}

.scroll-to-top svg {
  width: var(--space-7);
  height: var(--space-7);
  stroke: var(--brand);
  stroke-width: 2.5;
  transition: transform 0.3s ease;
}

.scroll-to-top:hover svg {
  transform: translateY(-4px);
}

.scroll-to-top:active {
  transform: scale(0.95);
}

/* Hero grid */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-11);
  align-items: center;
}

.kpis {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-6);
}

/* Feature cards grid - responsive layout */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(calc(var(--space-13) * 2.92), 1fr));
  gap: var(--space-5);
  margin: 0 auto;
}

.cards article {
  display: flex;
  flex-direction: column;
}

.cards article .glass {
  margin: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.cards article .p-5 {
  padding: var(--space-6);
}

/* Responsive card grid adjustments */
@media (min-width: 768px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
  }
}

@media (min-width: 1024px) {
  .cards {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }
}

@media (min-width: 1400px) {
  .cards {
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-6);
  }
}

/* Steps grid */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

/* Team layout - centered column */
.team {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
  text-align: center;
}

.team h3 {
  margin-bottom: 0;
}

.team p {
  max-width: calc(var(--space-13) * 6.25);
  margin-left: auto;
  margin-right: auto;
}

/* Footer - styled like navbar with responsive adjustments */
footer {
  border-top: none;
  padding: var(--space-6) 0;
  color: var(--text);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  background: transparent;
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.15),
              0 -2px 12px rgba(0, 0, 0, 0.10),
              inset 0 -1px 1px rgba(255, 255, 255, 0.08);
  position: relative;
}

footer .container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-5);
}

footer .flex {
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
}

footer .flex.flex-col {
  align-items: center;
}

.footer-link {
  text-decoration: none;
  transition: color var(--transition-base);
  font-size: var(--text-sm);
  white-space: nowrap;
}

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

/* Footer responsive adjustments */
@media (max-width: 768px) {
  footer .flex {
    gap: var(--space-3);
  }
  
  /* Footer logo size on mobile */
  footer .brand img {
    height: clamp(44px, 8vw, 56px);
  }
  
  /* Position footer links vertically on mobile, but keep icon+text together */
  footer .flex.items-center.gap-5 {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: var(--space-3) !important;
  }
  
  /* Ensure footer links keep icon and text on same line - override utility classes */
  footer .footer-link.flex.items-center {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    gap: var(--space-2) !important;
  }
  
  footer .footer-link svg {
    flex-shrink: 0;
  }
}

@media (max-width: 480px) {
  footer {
    padding: var(--space-5) 0;
  }
  
  footer .flex {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }
}

/* Small tablets - 640px */
@media (min-width: 640px) {
  .container {
    max-width: var(--container-sm);
    padding-left: var(--container-padding-sm);
    padding-right: var(--container-padding-sm);
  }
  
  .nav {
    padding-left: var(--container-padding-sm) !important;
    padding-right: var(--container-padding-sm) !important;
  }
}

/* Tablet breakpoint - 768px */
@media (min-width: 768px) {
  .container {
    max-width: var(--container-md);
    padding-left: var(--container-padding-md);
    padding-right: var(--container-padding-md);
  }
  
  .nav {
    padding-left: var(--container-padding-md) !important;
    padding-right: var(--container-padding-md) !important;
  }
  
  .section {
    padding-top: var(--section-padding-tablet);
    padding-bottom: var(--section-padding-tablet);
  }
  
  .section.tight {
    padding-top: calc(var(--section-padding-tablet) * 0.75);
    padding-bottom: calc(var(--section-padding-tablet) * 0.75);
  }
  
  .section:first-of-type {
    padding-top: calc(var(--section-padding-tablet) + var(--space-7));
  }
}

/* Desktop breakpoint - 1024px */
@media (min-width: 1024px) {
  .container {
    max-width: var(--container-lg);
    padding-left: var(--container-padding-lg);
    padding-right: var(--container-padding-lg);
  }
  
  .nav {
    padding-left: var(--container-padding-lg) !important;
    padding-right: var(--container-padding-lg) !important;
  }
  
  .section {
    padding-top: var(--section-padding-desktop);
    padding-bottom: var(--section-padding-desktop);
  }
  
  .section.tight {
    padding-top: calc(var(--section-padding-desktop) * 0.75);
    padding-bottom: calc(var(--section-padding-desktop) * 0.75);
  }
  
  .section:first-of-type {
    padding-top: calc(var(--section-padding-desktop) + var(--space-8));
  }
  
  .cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Large desktop - 1280px */
@media (min-width: 1280px) {
  .container {
    max-width: var(--container-xl);
    padding-left: var(--container-padding-xl);
    padding-right: var(--container-padding-xl);
  }
  
  .nav {
    padding-left: var(--container-padding-xl) !important;
    padding-right: var(--container-padding-xl) !important;
  }
  
  .section {
    padding-top: var(--section-padding-large);
    padding-bottom: var(--section-padding-large);
  }
  
  .section.tight {
    padding-top: calc(var(--section-padding-large) * 0.75);
    padding-bottom: calc(var(--section-padding-large) * 0.75);
  }
  
  .section:first-of-type {
    padding-top: calc(var(--section-padding-large) + var(--space-9));
  }
}

/* XL desktop - 1536px */
@media (min-width: 1536px) {
  .container {
    max-width: var(--container-2xl);
  }
}

/* 2K monitors - 1920px */
@media (min-width: 1920px) {
  .container {
    max-width: var(--container-3xl);
  }
  
  .cards {
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-7);
  }
  
  .hero {
    gap: calc(var(--space-11) + var(--space-4));
  }
  
  .section {
    padding-top: calc(var(--section-padding-large) + var(--space-4));
    padding-bottom: calc(var(--section-padding-large) + var(--space-4));
  }
}

/* 4K ultrawide - 2560px */
@media (min-width: 2560px) {
  .container {
    max-width: var(--container-4xl);
  }
  
  .cards {
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-8);
  }
  
  .hero {
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--space-13) + var(--space-4));
  }
  
  .section {
    padding-top: calc(var(--section-padding-large) + var(--space-7));
    padding-bottom: calc(var(--section-padding-large) + var(--space-7));
  }
  
  .cards article .p-5 {
    padding: var(--space-7);
  }
}

/* Tablet landscape and below - 980px */
@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .steps {
    grid-template-columns: 1fr;
  }
  
  .steps-animated {
    flex-direction: column;
    gap: var(--space-8);
  }
  
  .step-animated-arrow {
    transform: rotate(90deg);
    margin: var(--space-4) 0;
    animation: arrowPulseMobile 2s ease-in-out infinite;
  }
  
  .step-animated {
    max-width: 100%;
  }
}

/* Tablet portrait - 768px and below */
@media (max-width: 768px) {
  .hero {
    gap: var(--space-7);
  }
  
  .cards {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
  
  .actions {
    gap: var(--space-2);
  }
  
  .actions .btn {
    padding: 10px 16px;
    font-size: var(--text-sm);
  }
}

/* Mobile - up to 640px */
@media (max-width: 640px) {
  :root {
    --nav-height: 72px;
  }
  
  /* Hide full navigation on mobile */
  nav ul {
    display: none;
  }
  
  .actions .btn-ghost {
    display: none;
  }
  
  /* Hide Register button on mobile */
  .actions .btn-register {
    display: none;
  }
  
  /* Show hamburger menu on mobile */
  .hamburger {
    display: flex;
  }
  
  /* Adjust pill sizes for mobile */
  .kpis .pill {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
  }
  
  /* Smaller avatar on mobile */
  .avatar {
    width: var(--space-13) * 2.5;
    height: var(--space-13) * 2.5;
  }
  
  /* Remove hover effects on mobile */
  .cards .glass {
    transition: transform var(--transition-base);
  }
  
  .cards .glass:hover {
    transform: none;
  }
  
  /* Single column layouts */
  .grid-cols-2 {
    grid-template-columns: 1fr;
  }
  
  /* Adjust heading sizes for mobile */
  h1 {
    font-size: clamp(32px, 8vw, 40px);
    margin-bottom: var(--space-5);
  }
  
  h2 {
    font-size: clamp(24px, 6vw, 28px);
    margin-bottom: var(--space-4);
  }
  
  h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-3);
  }
  
  /* Adjust step icons for mobile */
  .step-animated-icon {
    width: var(--space-11);
    height: var(--space-11);
  }
  
  .step-animated-icon svg {
    width: var(--space-7);
    height: var(--space-7);
  }
  
  /* Reduce spacing in components */
  .hero {
    gap: var(--space-6);
  }
  
  .cards {
    gap: var(--space-4);
  }
  
  /* Adjust quote styling for mobile */
  .quote-text {
    padding: 0 var(--space-5);
    font-size: var(--text-base);
  }
  
  .quote-text::before,
  .quote-text::after {
    font-size: calc(var(--text-2xl) * 1.2);
  }
  
  /* Adjust button groups on mobile */
  .flex.gap-3 {
    gap: var(--space-2);
  }
  
  .flex-wrap {
    justify-content: center;
  }
}

/* Extra small mobile - 480px and below */
@media (max-width: 480px) {
  :root {
    --nav-height: 64px;
  }
  
  h1 {
    font-size: clamp(28px, 7vw, 36px);
  }
  
  h2 {
    font-size: clamp(22px, 5.5vw, 26px);
  }
  
  /* Logo size adjusted for small screens but never disappears */
  .brand img {
    height: clamp(44px, 9vw, 56px);
  }
  
  .btn {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    min-height: var(--space-8);
  }
  
  .btn-primary, .btn-ghost {
    width: 100%;
    max-width: calc(var(--space-13) * 2.92);
  }
  
  .actions {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .step-animated {
    min-width: 100%;
  }
  
  .quote-centered {
    max-width: 100%;
  }
}