/* ====================================
   SENJUTI DAS PORTFOLIO - STYLE SYSTEM
   Inspired by Ortiz Squarespace Template
   ==================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
  /* Color Palette - Deep Navy, Slate & Teal */
  
  /* Backgrounds */
  --color-bg: #F4F4F4;           /* Your provided Light Grey/Off-White */
  --color-bg-alt: #FFFFFF;       /* Pure white for cards (contrast against #F4F4F4) */
  --color-bg-dark: #0C2B4E;      /* Your provided Deep Navy */
  
  /* Accents */
  --color-accent: #1D546C;       /* Your provided Teal/Petrol (Primary Buttons/Links) */
  --color-accent-light: #2A6F8F; /* Lighter Teal (Calculated for hover states) */
  --color-accent-dark: #1A3D64;  /* Your provided Slate Blue (Active states) */
  
  /* Text - Using the Navy tones instead of black for harmony */
  --color-text: #0C2B4E;         /* Deep Navy (Primary Text) */
  --color-text-muted: #1A3D64;   /* Slate Blue (Secondary Text) */
  --color-text-light: #5A7085;   /* Light Blue-Grey */
  --color-white: #FFFFFF;
  
  /* Borders - Tinted with the Navy */
  --color-border: rgba(12, 43, 78, 0.12);
  --color-border-dark: rgba(244, 244, 244, 0.15);
  
  /* Typography (Unchanged) */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Spacing Scale (Unchanged) */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 10rem;
  
  /* Typography Scale (Unchanged) */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.2rem + 1.5vw, 2rem);
  --text-3xl: clamp(2rem, 1.5rem + 2.5vw, 3rem);
  --text-4xl: clamp(2.5rem, 2rem + 3vw, 4rem);
  --text-5xl: clamp(3rem, 2rem + 5vw, 6rem);
  --text-hero: clamp(3.5rem, 2.5rem + 6vw, 8rem);
  
  /* Transitions (Unchanged) */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 200ms;
  --duration-normal: 400ms;
  --duration-slow: 600ms;
  
  /* Borders & Shadows */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  /* Shadows tinted with the Deep Navy (#0C2B4E) */
  --shadow-sm: 0 2px 8px rgba(12, 43, 78, 0.08);
  --shadow-md: 0 8px 24px rgba(12, 43, 78, 0.10);
  --shadow-lg: 0 16px 48px rgba(12, 43, 78, 0.12);
}

/* Dark mode variables */
[data-theme="dark"] {
  --color-bg: #080f17;           /* Deep Navy Background */
  --color-bg-alt: #1A3D64;       /* Slate Blue (Card Background) */
  --color-bg-dark: #F4F4F4;      /* Inverted bg */
  
  --color-text: #F4F4F4;         /* Off-white Text */
  --color-text-muted: #9AAEC2;   /* Muted Blue-Grey */
  --color-text-light: #5A7085;
  
  --color-border: rgba(244, 244, 244, 0.1);
  
  --color-accent: #1D546C;       /* Teal Accent (kept same) */
  --color-accent-light: #3E7A96; /* Lighter Teal for contrast on dark */
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
  transition: background-color var(--duration-slow) var(--ease-out),
              color var(--duration-slow) var(--ease-out);
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

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

ul, ol {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--text-hero); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.lead {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container--narrow {
  max-width: 900px;
}

.container--wide {
  max-width: 1600px;
}

section {
  padding: var(--space-3xl) 0;
}

/* --- Custom Cursor (Optional Enhancement) --- */
.cursor {
  display: none;
}



/* --- Announcement Bar --- */
.announcement-bar {
  background-color: var(--color-accent);
  color: var(--color-white);
  text-align: center;
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.announcement-bar a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* --- Header / Navigation --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  transition: all var(--duration-normal) var(--ease-out);
}

.site-header.has-announcement {
  top: 32px;
}

.site-header.scrolled {
  background-color: var(--color-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
  padding: var(--space-sm) 0;
}

[data-theme="dark"] .site-header.scrolled {
  background-color: rgba(15, 15, 14, 0.9);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.logo {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.02em;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.logo:hover {
  opacity: 0.7;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  position: relative;
  padding: var(--space-xs) 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: currentColor;
  transition: width var(--duration-normal) var(--ease-out);
}

.nav-link:hover::after,
.nav-link.active-page::after {
  width: 100%;
}

.nav-link.active-page {
  color: var(--color-accent);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-xs);
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: all var(--duration-normal) var(--ease-out);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: var(--color-bg-alt);
  transition: all var(--duration-fast) var(--ease-out);
}

.theme-toggle:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duration-normal) var(--ease-out);
  z-index: -1;
  opacity: 0.1;
}

.btn:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}

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

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

.btn-outline {
  border: 1.5px solid var(--color-border);
  color: var(--color-text);
}

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

.btn-ghost {
  color: var(--color-text);
  padding: var(--space-xs) 0;
}

.btn-ghost::after {
  content: '→';
  transition: transform var(--duration-fast) var(--ease-out);
}

.btn-ghost:hover::after {
  transform: translateX(4px);
}

/* --- Hero Section --- */
.hero {
  min-height: auto;
  display: flex;
  align-items: center;
  padding-top: 140px;
  padding-bottom: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-2xl);
  align-items: center;
}

.hero-text {
  max-width: 600px;
}

.hero-title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-sm);
  opacity: 0;
  transform: translateY(40px);
  animation: fadeInUp 1s var(--ease-out) 0.2s forwards;
}

.hero-title span {
  display: block;
}

.hero-title .accent {
  font-style: italic;
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s var(--ease-out) 0.4s forwards;
  max-width: 500px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s var(--ease-out) 0.6s forwards;
}

/* Hero Image */
.hero-image-wrapper {
  position: relative;
  opacity: 0;
  transform: translateY(40px) scale(0.95);
  animation: fadeInUp 1s var(--ease-out) 0.5s forwards;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  width: 280px;
  height: 340px;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform var(--duration-slow) var(--ease-out);
}

.hero-image:hover img {
  transform: scale(1.05);
}

.hero-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  pointer-events: none;
}

/* Hero Decorative Elements */
.hero-decoration {
  position: absolute;
  pointer-events: none;
  z-index: -1;
}

.hero-decoration--circle {
  width: 400px;
  height: 400px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  top: 20%;
  right: -100px;
  animation: float 20s ease-in-out infinite;
}

.hero-decoration--dots {
  top: 30%;
  left: 5%;
  opacity: 0.3;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  opacity: 0;
  animation: fadeIn 1s var(--ease-out) 1s forwards;
}

.scroll-indicator span {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

.scroll-indicator-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

/* --- Highlights Section --- */
.highlights {
  padding: var(--space-2xl) 0;
  background-color: var(--color-bg-alt);
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.highlight-card {
  padding: var(--space-xl);
  background-color: var(--color-bg);
  border-radius: var(--radius-lg);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.highlight-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-out);
}

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

.highlight-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.highlight-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-md);
  color: var(--color-accent);
}

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

.highlight-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-sm);
}

.highlight-card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* --- Page Header --- */
.page-header {
  padding: 180px 0 var(--space-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: radial-gradient(ellipse at top, var(--color-bg-alt) 0%, var(--color-bg) 70%);
  z-index: -1;
}

.page-header h1 {
  margin-bottom: var(--space-md);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s var(--ease-out) 0.1s forwards;
}

.page-header .lead {
  margin: 0 auto var(--space-lg);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s var(--ease-out) 0.2s forwards;
}

.page-header .btn {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s var(--ease-out) 0.3s forwards;
}

/* --- About Sections --- */
.about-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-3xl);
}

.about-section {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
}

.about-section:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.section-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  position: sticky;
  top: 120px;
  height: fit-content;
}

.about-section-content h2 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-md);
}

.about-section-content p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.about-section-content p:last-child {
  margin-bottom: 0;
}

/* Experience Block */
.experience-item {
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-border);
}

.experience-item:first-child {
  padding-top: 0;
}

.experience-item:last-child {
  border-bottom: none;
}

.experience-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.experience-header h3 {
  font-size: var(--text-xl);
  font-family: var(--font-body);
  font-weight: 600;
}

.experience-role {
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-weight: 500;
}

.experience-date {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.experience-list {
  margin-top: var(--space-sm);
}

.experience-list li {
  position: relative;
  padding-left: var(--space-md);
  margin-bottom: var(--space-xs);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.experience-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

/* Skills/Tags */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.tag {
  padding: var(--space-xs) var(--space-sm);
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  transition: all var(--duration-fast) var(--ease-out);
}

.tag:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
}

/* --- Projects Section --- */
.projects-grid {
  display: grid;
  gap: var(--space-xl);
}

.project-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  padding: var(--space-xl);
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  transition: all var(--duration-normal) var(--ease-out);
  align-items: center;
}

.project-card:nth-child(even) {
  direction: rtl;
}

.project-card:nth-child(even) > * {
  direction: ltr;
}

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

.project-visual {
  position: relative;
  aspect-ratio: 16/10;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
}

.project-visual-inner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: var(--text-4xl);
  font-family: var(--font-display);
  font-style: italic;
}

.project-content {
  padding: var(--space-md) 0;
}

.project-category {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.project-content h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-sm);
}

.project-content p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  font-size: var(--text-sm);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.project-tags span {
  padding: 4px 12px;
  background-color: var(--color-bg);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* --- Contact Section --- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.contact-info {
  padding: var(--space-xl);
}

.contact-info h2 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-md);
}

.contact-info .lead {
  margin-bottom: var(--space-xl);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.contact-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-full);
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-icon svg {
  width: 20px;
  height: 20px;
}

.contact-item-content span {
  display: block;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.contact-item-content a {
  font-weight: 500;
  transition: color var(--duration-fast) var(--ease-out);
}

.contact-item-content a:hover {
  color: var(--color-accent);
}

/* Contact Form */
.contact-form-wrapper {
  padding: var(--space-xl);
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-lg);
}

.contact-form-wrapper h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-lg);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(90, 122, 100, 0.1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-light);
}

/* --- Footer --- */
.site-footer {
  padding: var(--space-3xl) 0 var(--space-xl);
  background-color: var(--color-bg-dark);
  color: var(--color-bg);
}

[data-theme="dark"] .site-footer {
  background-color: var(--color-bg-alt);
  color: var(--color-text);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border-dark);
}

.footer-brand h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-md);
}

.footer-brand p {
  opacity: 0.7;
  font-size: var(--text-sm);
  max-width: 300px;
}

.footer-links h4 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-links a {
  font-size: var(--text-sm);
  opacity: 0.7;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.footer-links a:hover {
  opacity: 1;
}

/* Newsletter */
.footer-newsletter h4 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

.newsletter-form {
  display: flex;
  gap: var(--space-sm);
}

.newsletter-form input {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  color: inherit;
  font-size: var(--text-sm);
}

.newsletter-form input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.newsletter-form button {
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-accent);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all var(--duration-fast) var(--ease-out);
}

.newsletter-form button:hover {
  background-color: var(--color-accent-light);
}

/* Footer Bottom */
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-lg);
  font-size: var(--text-xs);
  opacity: 0.5;
}

.social-links {
  display: flex;
  gap: var(--space-md);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.1);
  transition: all var(--duration-fast) var(--ease-out);
}

.social-links a:hover {
  background-color: var(--color-accent);
}

.social-links svg {
  width: 16px;
  height: 16px;
}

/* --- Animations --- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes scrollLine {
  0% {
    transform: scaleY(0);
    transform-origin: top;
  }
  50% {
    transform: scaleY(1);
    transform-origin: top;
  }
  50.1% {
    transform-origin: bottom;
  }
  100% {
    transform: scaleY(0);
    transform-origin: bottom;
  }
}

/* Reveal Animation Classes */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s var(--ease-out);
}

.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; }

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s var(--ease-out);
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.15s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.25s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.3s; }

.stagger-children.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* Image reveal */
.image-reveal {
  position: relative;
  overflow: hidden;
}

.image-reveal::after {
  content: '';
  position: absolute;
  inset: 0;
  background-color: var(--color-accent);
  transform: scaleX(1);
  transform-origin: right;
  transition: transform 0.8s var(--ease-out);
}

.image-reveal.visible::after {
  transform: scaleX(0);
}

/* --- Responsive Design --- */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-lg);
  }
  
  .hero-text {
    max-width: 100%;
    order: 2;
  }
  
  .hero-subtitle {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-image-wrapper {
    order: 1;
  }
  
  .hero-image {
    width: 220px;
    height: 280px;
    margin: 0 auto;
  }
  
  .highlights-grid {
    grid-template-columns: 1fr;
  }
  
  .about-section {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .section-label {
    position: static;
  }
  
  .project-card {
    grid-template-columns: 1fr;
  }
  
  .project-card:nth-child(even) {
    direction: ltr;
  }
  
  .contact-layout {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

@media (max-width: 768px) {
  :root {
    --space-lg: 1.5rem;
    --space-xl: 2.5rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
  }
  
  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-bg);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-lg);
    transform: translateX(100%);
    transition: transform var(--duration-normal) var(--ease-out);
    z-index: 1000;
  }
  
  .nav-links.active {
    transform: translateX(0);
  }
  
  .nav-link {
    font-size: var(--text-2xl);
    font-family: var(--font-display);
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .hero {
    min-height: auto;
    padding-top: 140px;
    padding-bottom: var(--space-xl);
  }
  
  .page-header {
    padding: 140px 0 var(--space-xl);
  }
  
  .scroll-indicator {
    display: none;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
}

/* --- Print Styles --- */
@media print {
  .site-header,
  .announcement-bar,
  .scroll-indicator,
  .theme-toggle,
  .site-footer {
    display: none;
  }
  
  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }
  
  a {
    color: #000;
    text-decoration: underline;
  }
}