@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;1,300;1,400&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;1,9..40,300;1,9..40,400&family=JetBrains+Mono:wght@300&display=swap');

:root {
  /* Colors */
  --white: #FFFFFF;
  --off-white: #F8F8F7;
  --surface: #F4F3F1;
  --border: #ECECEC;
  --border-dark: #E8E7E4;
  --black: #0A0A0A;
  --grey-mid: #666666;
  --grey-light: #999999;
  --accent: #1A1A1A; /* Deep charcoal */
  
  /* Typography */
  --font-display: 'Cormorant Garamond', serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Easing */
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.3s var(--ease-smooth);
  --transition-base: 0.5s var(--ease-smooth);
  --transition-slow: 0.8s var(--ease-smooth);
  --transition-cinema: 1.2s var(--ease-smooth);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--black);
  background-color: var(--white);
  line-height: 1.8;
  font-weight: 300;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography Classes */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--black);
  margin-bottom: 1rem;
}

.hero-heading {
  font-size: clamp(4rem, 7vw, 8rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.section-heading {
  font-size: clamp(2.5rem, 4vw, 5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.sub-heading {
  font-size: clamp(1.2rem, 2vw, 2rem);
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--grey-mid);
}

.label-mono {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--grey-light);
}

.text-italic {
  font-style: italic;
}

p {
  max-width: 65ch;
  margin-bottom: 1.5rem;
  font-size: 1rem;
  color: var(--grey-mid);
}

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

/* Layout & Grid */
.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 5vw;
}

section {
  padding: 10vw 0;
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1.5rem 5vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-base);
  background: transparent;
  border-bottom: 1px solid transparent;
}

nav.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 5vw;
}

.nav-brand {
  display: flex;
  flex-direction: column;
}

.nav-brand .logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1;
}

.nav-brand .logo-sub {
  font-family: var(--font-body);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--grey-light);
  margin-top: 0.2rem;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 300;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--black);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 400;
  cursor: pointer;
  border: 1px solid var(--black);
  background: transparent;
  color: var(--black);
  border-radius: 2px;
  transition: var(--transition-fast);
}

.btn:hover {
  background: var(--black);
  color: var(--white);
}

.btn-ghost {
  border: none;
  border-bottom: 1px solid var(--black);
  padding: 0.2rem 0;
  border-radius: 0;
}

.btn-ghost:hover {
  background: transparent;
  color: var(--grey-mid);
  border-color: var(--grey-mid);
}

/* Animations */
.reveal-blur {
  opacity: 0;
  filter: blur(8px);
  transform: translateY(20px);
  transition: opacity var(--transition-cinema), filter var(--transition-cinema), transform var(--transition-cinema);
}

.reveal-blur.active {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-up.active {
  opacity: 1;
  transform: translateY(0);
}

.fade-in {
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.fade-in.active {
  opacity: 1;
}

/* specific delay utilities */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }
.delay-800 { transition-delay: 0.8s; }
.delay-1000 { transition-delay: 1s; }

/* Sub-sections background */
.bg-off-white { background-color: var(--off-white); }
.bg-dark { background-color: var(--black); color: var(--white); }
.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4, .bg-dark h5, .bg-dark h6 { color: var(--white); }
.bg-dark p { color: #A0A0A0; }

/* Responsive Grid utility */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; gap: 3rem; }
  .nav-links { display: none; /* simple mobile behavior for now */ }
  section { padding: 15vw 0; }
}

/* Subtle Gradient Animation */
@keyframes floatGradient {
  0% { transform: translateY(0) translateX(0) scale(1); }
  50% { transform: translateY(-20px) translateX(10px) scale(1.05); }
  100% { transform: translateY(0) translateX(0) scale(1); }
}

.hero-gradient {
  position: absolute;
  top: 10%;
  left: 20%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(200, 195, 185, 0.08) 0%, rgba(255,255,255,0) 70%);
  border-radius: 50%;
  z-index: -1;
  pointer-events: none;
  animation: floatGradient 12s infinite alternate var(--ease-smooth);
}

/* Interactive Enhancements */
.custom-cursor {
    width: 12px;
    height: 12px;
    background-color: var(--black);
    border-radius: 50%;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease, background-color 0.3s ease;
    mix-blend-mode: difference;
    background-color: #fff;
}
.custom-cursor.hovered {
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(2px);
    border: 1px solid rgba(255, 255, 255, 0.5);
}
@media (pointer: fine) {
    body, a, button, .magnetic { cursor: none; }
}

.magnetic {
    display: inline-block;
    will-change: transform;
}

.img-parallax-wrap {
    overflow: hidden;
    position: relative;
    border-radius: 4px;
    width: 100%;
    height: 100%;
}
.img-parallax {
    width: 100%;
    height: 120%;
    object-fit: cover;
    transform: translateY(-10%);
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
}
.img-parallax-wrap:hover .img-parallax {
    transform: translateY(0) scale(1.05);
}


/* ----- PORTFOLIO TABS ----- */
.tab-container {
    text-align: center;
    margin: 30px 0 50px;
}
.tab-btn {
    padding: 12px 25px;
    border: 1px solid var(--border);
    border-radius: 30px;
    margin: 0 6px;
    background: transparent;
    font-weight: 400;
    font-family: var(--font-body);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
}
.tab-btn:hover {
    border-color: var(--black);
}
.tab-btn.active {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}
.tab-content {
    animation: fade 0.4s;
    display: none;
}
@keyframes fade {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Portfolio cards */
.portfolio-link {
    border: 1px solid var(--border);
    border-radius: 4px;
    display: block;
    background-size: cover;
    background-position: center top;
    transition: background-position 6s linear, transform 0.4s;
    overflow: hidden;
}
.portfolio-link:hover {
    background-position: center bottom;
    transform: scale(1.02);
}
.cat-label {
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--grey-mid);
    margin-top: 6px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* APP PORTFOLIO */
.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}
.app-card {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    background: var(--surface);
    transition: var(--transition-base);
}
.app-card:hover {
    border-color: var(--black);
}
.app-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
}
.app-cat {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--grey-mid);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.swiper {
    width: 100%;
    aspect-ratio: 9/16;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}
.swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.swiper-button-next,
.swiper-button-prev {
    color: var(--black) !important;
    transform: scale(0.5);
    background: rgba(255,255,255,0.8);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}


/* Portfolio Hover Fix */
.portfolio-link {
    background-size: 100% auto !important;
    background-repeat: no-repeat !important;
    background-position: center top !important;
    transition: background-position 5s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.4s !important;
}
.portfolio-link:hover {
    background-position: center bottom !important;
    transform: scale(1.02) !important;
}

/* Interactive Hero Glow Orb */
.hero-glow-orb {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(150, 150, 150, 0.15) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 0;
    transition: width 0.3s, height 0.3s;
    filter: blur(40px);
}
.particles-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 0;
    pointer-events: none;
}


.hero {
    overflow: hidden;
}


/* Floating Buttons */
.floating-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 9999;
}
.floating-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.floating-btn:hover {
    transform: scale(1.15) translateY(-5px);
}
.whatsapp-btn {
    background-color: #25D366;
}
.call-btn {
    background-color: #0A0A0A;
}


/* ----- MODERN WOW HERO ----- */
.hero-grid {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-size: 60px 60px;
    background-image: 
        linear-gradient(to right, rgba(0, 0, 0, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(0, 0, 0, 0.04) 1px, transparent 1px);
    mask-image: radial-gradient(circle at center, black 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(circle at center, black 30%, transparent 80%);
    z-index: 0;
    pointer-events: none;
}
.hero-glow-orb {
    position: absolute;
    width: 800px;
    height: 800px;
    background: conic-gradient(from 0deg, rgba(200,200,200,0.3), rgba(240,240,240,0.1), rgba(180,180,180,0.3), rgba(200,200,200,0.3));
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 0;
    filter: blur(60px);
    animation: rotateOrb 15s linear infinite;
    opacity: 0.8;
}
@keyframes rotateOrb {
    0% { transform: translate(-50%, -50%) rotate(0deg) scale(1); }
    50% { transform: translate(-50%, -50%) rotate(180deg) scale(1.2); }
    100% { transform: translate(-50%, -50%) rotate(360deg) scale(1); }
}

.mask-line {
    overflow: hidden;
    display: inline-block;
    vertical-align: bottom;
}
.mask-line > span {
    display: inline-block;
    transform: translateY(110%);
    animation: slideUpMask 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes slideUpMask {
    to { transform: translateY(0); }
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    opacity: 0;
    animation: fade 1s 1.5s forwards;
    color: var(--grey-mid);
    font-size: 0.75rem;
}
.scroll-line {
    width: 1px;
    height: 60px;
    background: var(--border);
    position: relative;
    overflow: hidden;
}
.scroll-line::after {
    content: "";
    position: absolute;
    top: -100%; left: 0; width: 100%; height: 100%;
    background: var(--black);
    animation: scrollDown 2s infinite cubic-bezier(0.65, 0, 0.35, 1);
}
@keyframes scrollDown {
    0% { top: -100%; }
    100% { top: 100%; }
}