/* ─── Design System (Light Arqmold Theme) ─── */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Playfair+Display:wght@700&display=swap');

:root {
    --clr-bg: #F0F2F5;
    --clr-bg-alt: #FFFFFF;
    --clr-surface: #FFFFFF;
    --clr-surface-hover: #f4f6f9;
    --clr-border: rgba(26, 43, 60, 0.1);
    --clr-border-hover: rgba(26, 43, 60, 0.18);
    --clr-text: #1A2B3C;
    --clr-text-muted: #667788;
    --clr-text-dim: #99AABB;
    --clr-accent: #9C0404;
    --clr-accent-light: #bf1a1a;
    --clr-accent-glow: rgba(156, 4, 4, 0.15);
    --clr-accent-gradient: linear-gradient(135deg, #9C0404 0%, #bf1a1a 50%, #d4574a 100%);
    --clr-glass: rgba(255, 255, 255, 0.85);
    --clr-glass-border: rgba(26, 43, 60, 0.08);
    --font-primary: 'Montserrat', sans-serif;
    --font-body: 'Montserrat', sans-serif;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 2px 8px rgba(26, 43, 60, 0.06);
    --shadow-md: 0 8px 30px rgba(26, 43, 60, 0.08);
    --shadow-lg: 0 20px 60px rgba(26, 43, 60, 0.12);
    --shadow-glow: 0 4px 20px var(--clr-accent-glow);
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    background: var(--clr-bg);
    color: var(--clr-text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

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

button,
input,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    border: none;
    outline: none;
    background: none;
}

/* ─── Container ─── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ─── Navigation ─── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px) saturate(1.8);
    -webkit-backdrop-filter: blur(20px) saturate(1.8);
    border-bottom: 1px solid var(--clr-border);
    padding: 10px 0;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-primary);
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.logo-arq {
    color: var(--clr-accent-light);
}

.logo-mold {
    color: var(--clr-text);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--clr-text-muted);
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a:not(.nav-cta):hover {
    color: var(--clr-text);
}

.nav-links a:not(.nav-cta)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--clr-accent-gradient);
    transition: width var(--transition-smooth);
    border-radius: 1px;
}

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

.nav-cta {
    background: var(--clr-accent-gradient) !important;
    color: #fff !important;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: var(--transition-fast) !important;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--clr-text);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ─── Hero ─── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 40%, rgba(156, 4, 4, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 60%, rgba(156, 4, 4, 0.03) 0%, transparent 60%),
        radial-gradient(ellipse 100% 100% at 50% 100%, rgba(240, 242, 245, 1) 0%, transparent 50%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    padding: 8px 20px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--clr-text-muted);
    margin-bottom: 32px;
    animation: fadeInUp 0.8s ease;
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--clr-accent-light);
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

.hero-title {
    font-family: var(--font-primary);
    font-size: clamp(2.8rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease 0.1s both;
}

.hero-highlight {
    background: var(--clr-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--clr-text-muted);
    max-width: 560px;
    line-height: 1.7;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease 0.3s both;
}

/* ─── Buttons ─── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    cursor: pointer;
    white-space: nowrap;
}

.btn-primary {
    background: var(--clr-accent-gradient);
    color: #fff;
    box-shadow: 0 4px 15px var(--clr-accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--clr-accent-glow);
}

.btn-secondary {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    color: var(--clr-text);
}

.btn-secondary:hover {
    border-color: var(--clr-border-hover);
    background: var(--clr-surface-hover);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ─── Hero Stats ─── */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 40px;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--clr-border-hover);
}

.stat-number {
    font-family: var(--font-primary);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--clr-text);
}

.stat-plus,
.stat-unit {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--clr-accent-light);
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--clr-text-dim);
    font-weight: 500;
    margin-top: 2px;
}

/* Hero Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--clr-text-dim);
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: fadeIn 1s ease 1s both;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--clr-accent-light), transparent);
    animation: scrollPulse 2s infinite;
}

@keyframes scrollPulse {

    0%,
    100% {
        opacity: 0.3;
        transform: scaleY(0.6);
    }

    50% {
        opacity: 1;
        transform: scaleY(1);
    }
}

/* ─── Sections ─── */
.section {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--clr-accent-light);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-primary);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.text-accent {
    background: var(--clr-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    color: var(--clr-text-muted);
    max-width: 560px;
    margin: 16px auto 0;
    font-size: 1.05rem;
    line-height: 1.7;
}

/* ─── Services Grid ─── */
.services {
    background: var(--clr-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--clr-accent-gradient);
    opacity: 0;
    transition: var(--transition-smooth);
}

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

.service-card:hover::before {
    opacity: 1;
}

.service-card.featured {
    border-color: rgba(155, 43, 43, 0.3);
    background: linear-gradient(135deg, rgba(155, 43, 43, 0.05) 0%, var(--clr-surface) 100%);
}

.service-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--clr-accent-gradient);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(155, 43, 43, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    color: var(--clr-accent-light);
}

.service-icon svg {
    width: 28px;
    height: 28px;
}

.service-title {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-desc {
    color: var(--clr-text-muted);
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

.service-features {
    margin-bottom: 20px;
}

.service-features li {
    position: relative;
    padding-left: 20px;
    font-size: 0.85rem;
    color: var(--clr-text-muted);
    margin-bottom: 6px;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--clr-accent-light);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--clr-accent-light);
    transition: var(--transition-fast);
}

.service-link:hover {
    gap: 10px;
}

/* ─── About ─── */
.about {
    background: var(--clr-bg-alt);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-content .section-title {
    text-align: left;
}

.about-text {
    color: var(--clr-text-muted);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
}

.value {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    padding: 16px 20px;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.value:hover {
    border-color: var(--clr-border-hover);
    transform: translateX(4px);
}

.value-icon {
    font-size: 1.5rem;
}

.value h4 {
    font-family: var(--font-primary);
    font-weight: 600;
    margin-bottom: 2px;
}

.value p {
    font-size: 0.85rem;
    color: var(--clr-text-muted);
}

.about-visual {
    position: relative;
    height: 400px;
}

.about-card-stack {
    position: relative;
    width: 100%;
    height: 100%;
}

.about-card {
    position: absolute;
    background: var(--clr-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--clr-glass-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition-spring);
    cursor: default;
}

.about-card:hover {
    transform: scale(1.05);
}

.about-card-number {
    font-family: var(--font-primary);
    font-size: 3rem;
    font-weight: 800;
    background: var(--clr-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-card-text {
    color: var(--clr-text-muted);
    font-size: 0.9rem;
    margin-top: 4px;
}

.about-card-1 {
    top: 10%;
    left: 0;
    width: 240px;
    z-index: 3;
}

.about-card-2 {
    top: 35%;
    right: 0;
    width: 220px;
    z-index: 2;
}

.about-card-3 {
    bottom: 5%;
    left: 15%;
    width: 200px;
    z-index: 1;
}

/* ─── Portfolio ─── */
.portfolio {
    background: var(--clr-bg);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto;
    gap: 16px;
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--clr-surface);
    min-height: 240px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.portfolio-item.large {
    grid-column: span 2;
    min-height: 320px;
}

.portfolio-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(156, 4, 4, 0.08) 0%, rgba(26, 43, 60, 0.35) 100%);
    z-index: 1;
}

.portfolio-item:hover {
    transform: scale(1.01);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 28px;
    z-index: 2;
    background: linear-gradient(transparent, rgba(26, 43, 60, 0.85));
}

.portfolio-category {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--clr-accent-light);
    margin-bottom: 8px;
}

.portfolio-overlay h3 {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.portfolio-overlay p {
    font-size: 0.85rem;
    color: var(--clr-text-muted);
    line-height: 1.5;
}

/* ─── Proposals Section ─── */
.proposals {
    background: var(--clr-bg-alt);
}

.proposals-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.proposals-text .section-title {
    text-align: left;
}

.proposals-desc {
    color: var(--clr-text-muted);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 24px;
}

.proposals-features {
    margin-bottom: 32px;
}

.proposals-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    font-size: 0.95rem;
    color: var(--clr-text-muted);
}

.proposals-features li svg {
    color: var(--clr-accent-light);
    flex-shrink: 0;
}

/* 3D Mockup */
.proposals-3d-mockup {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.mockup-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--clr-border);
}

.mockup-dots {
    display: flex;
    gap: 6px;
}

.mockup-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--clr-text-dim);
}

.mockup-dots span:first-child {
    background: #ff5f57;
}

.mockup-dots span:nth-child(2) {
    background: #febc2e;
}

.mockup-dots span:last-child {
    background: #28c840;
}

.mockup-title {
    font-size: 0.75rem;
    color: var(--clr-text-dim);
    font-weight: 500;
}

.mockup-body {
    padding: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    min-height: 300px;
    justify-content: center;
}

.mockup-labels {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.mockup-labels span {
    background: rgba(155, 43, 43, 0.1);
    color: var(--clr-accent-light);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(155, 43, 43, 0.2);
}

/* 3D Cube Animation */
.cube-scene {
    width: 200px;
    height: 150px;
    perspective: 600px;
}

.cube {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    animation: rotateCube 12s linear infinite;
}

@keyframes rotateCube {
    0% {
        transform: rotateX(-20deg) rotateY(0deg);
    }

    100% {
        transform: rotateX(-20deg) rotateY(360deg);
    }
}

.cube-face {
    position: absolute;
    border: 2px solid rgba(155, 43, 43, 0.4);
    background: rgba(155, 43, 43, 0.05);
    backdrop-filter: blur(4px);
}

.cube-face.front {
    width: 200px;
    height: 100px;
    transform: translateZ(50px) translateY(25px);
}

.cube-face.back {
    width: 200px;
    height: 100px;
    transform: rotateY(180deg) translateZ(50px) translateY(25px);
}

.cube-face.right {
    width: 100px;
    height: 100px;
    transform: rotateY(90deg) translateZ(100px) translateX(-25px) translateY(25px);
    left: 25px;
}

.cube-face.left {
    width: 100px;
    height: 100px;
    transform: rotateY(-90deg) translateZ(50px) translateX(25px) translateY(25px);
    left: -25px;
}

.cube-face.top {
    width: 200px;
    height: 100px;
    transform: rotateX(90deg) translateZ(25px) translateY(25px);
    background: rgba(155, 43, 43, 0.1);
    border-color: rgba(155, 43, 43, 0.5);
}

.cube-face.bottom {
    width: 200px;
    height: 100px;
    transform: rotateX(-90deg) translateZ(75px) translateY(-25px);
}

/* ─── Contact ─── */
.contact {
    background: var(--clr-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: start;
}

.contact-form {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: 36px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--clr-text-muted);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-sm);
    color: var(--clr-text);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--clr-accent-light);
    box-shadow: 0 0 0 3px var(--clr-accent-glow);
}

.form-group select {
    cursor: pointer;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: var(--transition-fast);
}

.contact-card:hover {
    border-color: var(--clr-border-hover);
    transform: translateX(4px);
}

.contact-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(155, 43, 43, 0.1);
    border-radius: var(--radius-sm);
    color: var(--clr-accent-light);
    flex-shrink: 0;
}

.contact-card-icon svg {
    width: 22px;
    height: 22px;
}

.contact-card h4 {
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.contact-card a,
.contact-card span {
    font-size: 0.9rem;
    color: var(--clr-text-muted);
}

.contact-card a:hover {
    color: var(--clr-accent-light);
}

.contact-social {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-sm);
    color: var(--clr-text-muted);
    transition: var(--transition-fast);
}

.social-link:hover {
    color: var(--clr-accent-light);
    border-color: var(--clr-accent-light);
    transform: translateY(-2px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

/* ─── Footer ─── */
.footer {
    background: var(--clr-bg-alt);
    border-top: 1px solid var(--clr-border);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--clr-text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-top: 16px;
}

.footer-links h4 {
    font-family: var(--font-primary);
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--clr-text);
}

.footer-links a {
    display: block;
    font-size: 0.9rem;
    color: var(--clr-text-muted);
    padding: 6px 0;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--clr-accent-light);
    transform: translateX(4px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: 24px;
    border-top: 1px solid var(--clr-border);
    font-size: 0.8rem;
    color: var(--clr-text-dim);
}

/* ─── Animations ─── */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ─── Mobile Responsive ─── */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--clr-bg-alt);
        flex-direction: column;
        padding: 80px 32px;
        gap: 24px;
        transition: right var(--transition-smooth);
        border-left: 1px solid var(--clr-border);
        z-index: 999;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

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

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

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

    .hero-stats {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-visual {
        display: none;
    }

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

    .portfolio-item.large {
        grid-column: span 1;
    }

    .proposals-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
    }

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }

    .section {
        padding: 80px 0;
    }
}