:root {
    --red: #bb271a;
    --red-light: #d4342a;
    --dark: #0a0a0a;
    --dark-soft: #111111;
    --gray-900: #1a1a1a;
    --gray-800: #262626;
    --gray-600: #666666;
    --gray-400: #999999;
    --gray-200: #e5e5e5;
    --gray-100: #f5f5f5;
    --white: #ffffff;
    --font: "Inter", sans-serif;
    --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

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

body {
    font-family: var(--font);
    color: var(--dark);
    line-height: 1.6;
    background: var(--white);
    overflow-x: hidden;
}

body.nav-open {
    overflow: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

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

/* ═══════════════════════════════════════
   HEADER
   ═══════════════════════════════════════ */

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.25rem 0;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    text-decoration: none;
    letter-spacing: -0.02em;
}

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

.nav-desktop a {
    text-decoration: none;
    color: var(--dark);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    transition: color 0.3s var(--ease);
    position: relative;
}

.nav-desktop a:not(.btn-nav):hover {
    color: var(--red);
}

.nav-desktop a:not(.btn-nav)::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--red);
    transition: width 0.3s var(--ease);
}

.nav-desktop a:not(.btn-nav):hover::after {
    width: 100%;
}

.btn-nav {
    background: var(--dark);
    color: var(--white) !important;
    padding: 0.6rem 1.4rem;
    border-radius: 6px;
    font-weight: 600;
    transition: background 0.3s var(--ease), transform 0.2s var(--ease);
}

.btn-nav:hover {
    background: var(--red) !important;
    transform: translateY(-1px);
}

.btn-nav::after {
    display: none !important;
}

/* Mobile toggle */

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 200;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: transform 0.4s var(--ease-out), opacity 0.3s;
}

.menu-toggle.active span:first-child {
    transform: translateY(4px) rotate(45deg);
}

.menu-toggle.active span:last-child {
    transform: translateY(-4px) rotate(-45deg);
}

/* Mobile nav overlay */

.mobile-nav {
    position: fixed;
    inset: 0;
    background: var(--white);
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s var(--ease);
}

.mobile-nav.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-nav nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.mobile-nav a {
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    font-weight: 700;
    color: var(--dark);
    text-decoration: none;
    letter-spacing: -0.02em;
    transition: color 0.3s;
}

.mobile-nav a:hover {
    color: var(--red);
}

/* ═══════════════════════════════════════
   HERO
   ═══════════════════════════════════════ */

.hero {
    min-height: 100vh;
    min-height: 100svh;
    background: var(--dark);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 8rem 0 6rem;
}

.hero::before {
    content: "";
    position: absolute;
    top: -50%;
    right: -20%;
    width: 70%;
    height: 200%;
    background: radial-gradient(
        ellipse,
        rgba(187, 39, 26, 0.07) 0%,
        transparent 60%
    );
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-label {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gray-400);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hero-label::before {
    content: "";
    width: 40px;
    height: 1.5px;
    background: var(--red);
}

.hero h1 {
    font-size: clamp(2.8rem, 7vw, 5.5rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: var(--white);
    margin-bottom: 2rem;
}

.hero-sub {
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    color: var(--gray-400);
    max-width: 520px;
    line-height: 1.7;
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Buttons */

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--red);
    color: var(--white);
    padding: 0.9rem 2rem;
    border: none;
    border-radius: 6px;
    text-decoration: none;
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: background 0.3s var(--ease), transform 0.2s var(--ease),
        box-shadow 0.3s var(--ease);
}

.btn-primary:hover {
    background: var(--red-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(187, 39, 26, 0.3);
}

.btn-large {
    padding: 1.1rem 2.5rem;
    font-size: 1.05rem;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-400);
    padding: 0.9rem 2rem;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    border: 1px solid var(--gray-800);
    border-radius: 6px;
    transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.btn-secondary:hover {
    color: var(--white);
    border-color: var(--gray-600);
}

/* Scroll indicator */

.hero-scroll-indicator {
    position: absolute;
    bottom: 2.5rem;
    right: 5%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.hero-scroll-indicator span {
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gray-600);
    writing-mode: vertical-lr;
}

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

@keyframes scrollPulse {
    0%,
    100% {
        opacity: 1;
        transform: scaleY(1);
    }
    50% {
        opacity: 0.4;
        transform: scaleY(0.6);
    }
}

/* ═══════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════ */

.section-about {
    padding: clamp(5rem, 10vw, 9rem) 0;
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: clamp(3rem, 6vw, 6rem);
    align-items: start;
}

.about-heading h2 {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.03em;
    color: var(--dark);
}

.about-lead {
    font-size: clamp(1.05rem, 1.5vw, 1.2rem);
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: 3rem;
}

.about-stats {
    display: flex;
    gap: 3rem;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: clamp(2rem, 3vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--dark);
    line-height: 1;
    margin-bottom: 0.4rem;
}

.stat-label {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gray-400);
}

/* ═══════════════════════════════════════
   SERVICES
   ═══════════════════════════════════════ */

.section-services {
    padding: clamp(5rem, 10vw, 9rem) 0;
    background: var(--gray-100);
}

.section-header {
    margin-bottom: clamp(3rem, 5vw, 4rem);
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--red);
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.service-card {
    background: var(--white);
    padding: clamp(2rem, 3vw, 2.5rem);
    border-radius: 10px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    position: relative;
    overflow: hidden;
    transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
    cursor: default;
}

.service-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--red);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease-out);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
}

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

.service-number {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--red);
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
    display: block;
}

.service-card h3 {
    font-size: clamp(1.2rem, 1.5vw, 1.4rem);
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 0.75rem;
    color: var(--dark);
}

.service-card p {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.service-arrow {
    font-size: 1.2rem;
    color: var(--gray-200);
    transition: color 0.3s var(--ease), transform 0.3s var(--ease);
}

.service-card:hover .service-arrow {
    color: var(--red);
    transform: translateX(4px);
}

/* ═══════════════════════════════════════
   CTA
   ═══════════════════════════════════════ */

.section-cta {
    padding: clamp(6rem, 12vw, 10rem) 0;
    background: var(--dark);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.section-cta::before {
    content: "";
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 60%;
    height: 160%;
    background: radial-gradient(
        ellipse,
        rgba(187, 39, 26, 0.06) 0%,
        transparent 60%
    );
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 1.5rem;
}

.cta-content p {
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    color: var(--gray-400);
    margin-bottom: 2.5rem;
}

/* ═══════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════ */

footer {
    background: var(--dark-soft);
    padding: 4rem 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
}

.footer-brand .logo {
    color: var(--white);
    font-size: 1.4rem;
    display: block;
    margin-bottom: 1rem;
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gray-400);
    margin-bottom: 1.2rem;
}

.footer-links a,
.footer-contact a {
    display: block;
    font-size: 0.9rem;
    color: var(--gray-600);
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: color 0.3s;
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 1.5rem 0;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--gray-600);
}

/* ═══════════════════════════════════════
   SCROLL REVEAL ANIMATIONS
   ═══════════════════════════════════════ */

.service-card,
.about-heading,
.about-content,
.stat,
.cta-content {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.service-card.revealed,
.about-heading.revealed,
.about-content.revealed,
.stat.revealed,
.cta-content.revealed {
    opacity: 1;
    transform: translateY(0);
}

.service-card:nth-child(2) {
    transition-delay: 0.1s;
}
.service-card:nth-child(3) {
    transition-delay: 0.2s;
}
.stat:nth-child(2) {
    transition-delay: 0.1s;
}
.stat:nth-child(3) {
    transition-delay: 0.2s;
}

/* ═══════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════ */

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .nav-desktop {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .hero {
        padding: 7rem 0 4rem;
        min-height: auto;
    }

    .hero-scroll-indicator {
        display: none;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .about-stats {
        gap: 2rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .about-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
        justify-content: center;
        text-align: center;
    }
}