/* ========================================
   Yousef Zolfaghari Landing Page - Stylesheet
   Design: Dark Blue · Clean White · Gold Accents
   Layout: RTL (Persian / Farsi)
   ======================================== */

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

:root {
    /* Color Palette */
    --color-primary: #0B3D7E;
    --color-primary-dark: #072A5C;
    --color-primary-light: #1E5A9E;
    --color-primary-soft: #E8EFF7;

    --color-gold: #D4A574;
    --color-gold-dark: #A87B3F;
    --color-gold-soft: #F5EBD9;

    --color-white: #FFFFFF;
    --color-off-white: #FAFBFC;
    --color-gray-50: #F8FAFC;
    --color-gray-100: #F1F5F9;
    --color-gray-200: #E2E8F0;
    --color-gray-300: #CBD5E1;
    --color-gray-400: #94A3B8;
    --color-gray-500: #64748B;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1E293B;
    --color-gray-900: #0F172A;

    --color-success: #10B981;
    --color-error: #EF4444;

    /* Typography */
    --font-sans: 'Vazirmatn', 'Tahoma', 'Segoe UI', system-ui, -apple-system, sans-serif;

    /* Spacing */
    --container-max: 1200px;
    --container-padding: 1.5rem;

    /* Radii */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(11, 61, 126, 0.06);
    --shadow-md: 0 8px 24px rgba(11, 61, 126, 0.08);
    --shadow-lg: 0 20px 40px rgba(11, 61, 126, 0.12);
    --shadow-gold: 0 12px 32px rgba(212, 165, 116, 0.25);

    /* Transitions */
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    direction: rtl;
}

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

ul {
    list-style: none;
}

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

/* ---------- Container ---------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.95rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-lg {
    padding: 1.15rem 2.25rem;
    font-size: 1.075rem;
}

.btn-full {
    width: 100%;
}

.btn svg {
    transition: transform var(--transition-base);
}

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

.btn-spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2.5px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--color-white);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.btn.loading .btn-text,
.btn.loading svg {
    display: none;
}

.btn.loading .btn-spinner {
    display: block;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ---------- Navbar ---------- */
.navbar {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid rgba(11, 61, 126, 0.06);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.97);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 2rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-mark {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-gold);
    font-weight: 800;
    font-size: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base);
}

.brand:hover .brand-mark {
    transform: rotate(-5deg) scale(1.05);
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand-name {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--color-primary);
}

.brand-tag {
    font-size: 0.78rem;
    color: var(--color-gray-500);
    font-weight: 500;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    color: var(--color-gray-700);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-links a:not(.nav-cta)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    right: 0;
    width: 0;
    height: 2px;
    background: var(--color-gold);
    transition: width var(--transition-base);
}

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

.nav-cta {
    background: var(--color-primary);
    color: var(--color-white) !important;
    padding: 0.65rem 1.25rem !important;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-base);
}

.nav-cta:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: var(--color-primary);
    border-radius: 3px;
    transition: all var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
    padding: 9rem 0 5rem;
    background:
        radial-gradient(circle at 90% 10%, var(--color-primary-soft) 0%, transparent 50%),
        radial-gradient(circle at 10% 90%, var(--color-gold-soft) 0%, transparent 40%),
        var(--color-off-white);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(11, 61, 126, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(11, 61, 126, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 1rem;
    background: var(--color-white);
    border: 1px solid var(--color-primary-soft);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1.75rem;
    box-shadow: var(--shadow-sm);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-gold);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(212, 165, 116, 0.2);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 4px rgba(212, 165, 116, 0.2); }
    50% { box-shadow: 0 0 0 8px rgba(212, 165, 116, 0); }
}

.hero-title {
    font-size: clamp(2rem, 4.5vw, 3.4rem);
    font-weight: 800;
    line-height: 1.35;
    color: var(--color-gray-900);
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-title-accent {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-gold-dark) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.075rem;
    line-height: 1.85;
    color: var(--color-gray-600);
    margin-bottom: 2.25rem;
    max-width: 580px;
}

.hero-subtitle strong {
    color: var(--color-primary);
    font-weight: 700;
}

.hero-cta-group {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: flex-start;
}

.hero-checklist {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 2rem;
    padding-top: 0.5rem;
}

.hero-checklist li {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--color-gray-700);
    font-size: 0.95rem;
    font-weight: 500;
}

.check-icon {
    display: grid;
    place-items: center;
    width: 22px;
    height: 22px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

.hero-visual {
    position: relative;
    animation: fadeInUp 0.8s ease-out 0.15s backwards;
}

.hero-portrait {
    position: relative;
}

.portrait-bg {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 5/6;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.portrait-illustration {
    width: 100%;
    height: 100%;
    display: block;
}

/* ---- Real photograph styling ---- */
.portrait-photo {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.portrait-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
    transition: transform var(--transition-slow);
}

.portrait-bg:hover .portrait-img {
    transform: scale(1.04);
}

/* Subtle dark gradient on bottom of image for better text legibility */
.portrait-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, transparent 55%, rgba(7, 42, 92, 0.55) 100%),
        linear-gradient(0deg, transparent 70%, rgba(11, 61, 126, 0.18) 100%);
    pointer-events: none;
    border-radius: var(--radius-xl);
}

/* Fallback when image fails to load: show a tasteful initial */
.portrait-fallback {
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.portrait-fallback::before {
    content: 'ی';
    font-size: 8rem;
    font-weight: 800;
    color: var(--color-gold);
    line-height: 1;
}

/* (Frame position is set globally on .portrait-frame: bottom-left) */

.portrait-frame {
    position: absolute;
    bottom: 24px;
    left: 24px;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.frame-text {
    font-weight: 700;
    color: var(--color-primary);
    font-size: 0.95rem;
}

.floating-chip {
    position: absolute;
    background: var(--color-white);
    padding: 0.7rem 1rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    animation: float 4s ease-in-out infinite;
}

.chip-1 {
    top: 20px;
    right: -10px;
    animation-delay: 0s;
}

.chip-2 {
    bottom: 80px;
    left: -20px;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

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

/* ---------- Trust Bar ---------- */
.trust-bar {
    background: var(--color-white);
    padding: 3rem 0;
    border-top: 1px solid var(--color-gray-100);
    border-bottom: 1px solid var(--color-gray-100);
    position: relative;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.25rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
}

.trust-item:hover {
    background: var(--color-gray-50);
    transform: translateY(-3px);
}

.trust-icon {
    width: 56px;
    height: 56px;
    display: grid;
    place-items: center;
    background: var(--color-gold-soft);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    transition: transform var(--transition-base);
}

.trust-item:hover .trust-icon {
    transform: scale(1.1) rotate(-5deg);
}

.trust-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 0.35rem;
    line-height: 1;
}

.trust-label {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    font-weight: 500;
}

/* ---------- Section Common ---------- */
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: none;
    margin-bottom: 1rem;
}

.tag-line {
    width: 32px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-gold) 0%, transparent 100%);
}

.section-title {
    font-size: clamp(1.75rem, 3.2vw, 2.5rem);
    font-weight: 800;
    line-height: 1.3;
    color: var(--color-gray-900);
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-gray-600);
    max-width: 640px;
    line-height: 1.7;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 720px;
    margin-inline: auto;
}

.section-header .section-tag {
    justify-content: center;
}

.section-header .section-subtitle {
    margin-inline: auto;
}

/* ---------- About ---------- */
.about {
    padding: 6rem 0;
    background: var(--color-off-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-content {
    max-width: 620px;
}

.about-text {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--color-gray-700);
    margin: 1.5rem 0 2rem;
}

.about-quote {
    background: var(--color-white);
    padding: 1.75rem 2rem;
    border-radius: var(--radius-lg);
    border-right: 4px solid var(--color-gold);
    box-shadow: var(--shadow-sm);
    position: relative;
    margin-top: 1rem;
}

.quote-icon {
    color: var(--color-gold);
    opacity: 0.3;
    margin-bottom: 0.5rem;
}

.about-quote p {
    font-size: 1.025rem;
    color: var(--color-primary-dark);
    font-weight: 600;
    line-height: 1.8;
    font-style: italic;
}

.about-credentials {
    background: var(--color-white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 100px;
}

.credentials-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--color-primary-soft);
}

.credentials-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.credentials-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.credentials-list li:hover {
    background: var(--color-primary-soft);
    transform: translateX(-4px);
}

.cred-icon {
    display: grid;
    place-items: center;
    width: 28px;
    height: 28px;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    margin-top: 2px;
}

.credentials-list li:hover .cred-icon {
    background: var(--color-primary);
    color: var(--color-white);
}

.credentials-list li span:last-child {
    color: var(--color-gray-700);
    font-weight: 500;
    line-height: 1.6;
}

/* ---------- Differentiators ---------- */
.differentiators {
    padding: 6rem 0;
    background: var(--color-white);
    position: relative;
}

.differentiators::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-gray-200), transparent);
}

.diff-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.diff-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    position: relative;
    transition: all var(--transition-base);
    overflow: hidden;
}

.diff-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-gold) 100%);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-slow);
}

.diff-card:hover {
    border-color: var(--color-primary-soft);
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

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

.diff-number {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-gold);
    opacity: 0.7;
    margin-bottom: 1rem;
    font-family: 'Vazirmatn', monospace;
}

.diff-icon {
    width: 64px;
    height: 64px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--color-primary-soft) 0%, var(--color-white) 100%);
    border: 1px solid var(--color-primary-soft);
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    transition: all var(--transition-base);
}

.diff-card:hover .diff-icon {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-color: var(--color-primary);
    transform: rotate(-5deg);
}

.diff-card:hover .diff-icon svg {
    stroke: var(--color-white);
}

.diff-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 0.85rem;
    line-height: 1.3;
}

.diff-text {
    color: var(--color-gray-600);
    line-height: 1.75;
    font-size: 1rem;
}

/* ---------- Services by Grade ---------- */
.services {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--color-off-white) 0%, var(--color-white) 100%);
}

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

.grade-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition-base);
    position: relative;
    display: flex;
    flex-direction: column;
}

.grade-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.grade-card-featured {
    background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.grade-ribbon {
    position: absolute;
    top: -10px;
    right: 1.5rem;
    background: var(--color-gold);
    color: var(--color-primary-dark);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.35rem 0.85rem;
    border-radius: 100px;
    box-shadow: var(--shadow-gold);
}

.grade-header {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    margin-bottom: 1.25rem;
}

.grade-badge {
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    font-weight: 800;
    font-size: 1.5rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.grade-card-featured .grade-badge {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-gold);
    backdrop-filter: blur(4px);
}

.grade-card:hover .grade-badge {
    background: var(--color-primary);
    color: var(--color-white);
    transform: rotate(-8deg);
}

.grade-label {
    font-weight: 700;
    color: var(--color-gray-700);
    font-size: 1.05rem;
}

.grade-card-featured .grade-label {
    color: rgba(255, 255, 255, 0.85);
}

.grade-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.4;
    color: var(--color-primary-dark);
    margin-bottom: 0.75rem;
}

.grade-card-featured h3 {
    color: var(--color-white);
}

.grade-card p {
    color: var(--color-gray-600);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.grade-card-featured p {
    color: rgba(255, 255, 255, 0.85);
}

.grade-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-gray-100);
}

.grade-card-featured .grade-features {
    border-top-color: rgba(255, 255, 255, 0.15);
}

.grade-features span {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    border-radius: 100px;
}

.grade-card-featured .grade-features span {
    background: rgba(212, 165, 116, 0.2);
    color: var(--color-gold);
}

/* ---------- CTA Section ---------- */
.cta-section {
    padding: 6rem 0;
    background: var(--color-off-white);
    position: relative;
}

.cta-box {
    background: linear-gradient(140deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-xl);
    padding: 4.5rem 3.5rem;
    color: var(--color-white);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.cta-decor {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    opacity: 0.5;
}

.cta-decor-1 {
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, var(--color-gold) 0%, transparent 70%);
    top: -150px;
    left: -100px;
    filter: blur(20px);
}

.cta-decor-2 {
    width: 240px;
    height: 240px;
    background: radial-gradient(circle, var(--color-primary-light) 0%, transparent 70%);
    bottom: -100px;
    right: -80px;
    filter: blur(30px);
}

.cta-content {
    position: relative;
    z-index: 2;
    max-width: 760px;
    margin-inline: auto;
    text-align: center;
}

.cta-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.1rem;
    background: rgba(212, 165, 116, 0.2);
    border: 1px solid var(--color-gold);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gold);
    margin-bottom: 1.5rem;
}

.cta-title {
    font-size: clamp(1.75rem, 3.5vw, 2.6rem);
    font-weight: 800;
    line-height: 1.45;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.cta-title-accent {
    color: var(--color-gold);
    display: inline-block;
}

.cta-text {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.cta-checklist {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.85rem;
    margin: 2rem auto 2.5rem;
    max-width: 680px;
    text-align: right;
}

.cta-checklist li {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    background: rgba(255, 255, 255, 0.08);
    padding: 0.85rem 1.1rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.12);
    font-weight: 500;
    transition: all var(--transition-base);
}

.cta-checklist li:hover {
    background: rgba(255, 255, 255, 0.14);
    transform: translateX(-3px);
}

.check-box {
    display: grid;
    place-items: center;
    width: 22px;
    height: 22px;
    background: var(--color-gold);
    color: var(--color-primary-dark);
    border-radius: 50%;
    flex-shrink: 0;
}

.cta-box .btn-primary {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    color: var(--color-primary-dark);
    box-shadow: var(--shadow-gold);
}

.cta-box .btn-primary:hover {
    box-shadow: 0 20px 40px rgba(212, 165, 116, 0.4);
    transform: translateY(-3px);
}

/* ---------- Contact ---------- */
.contact {
    padding: 6rem 0 8rem;
    background: var(--color-white);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-gray-200), transparent);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 4rem;
    align-items: start;
}

.contact-text {
    font-size: 1.05rem;
    color: var(--color-gray-600);
    line-height: 1.8;
    margin: 1.25rem 0 2.5rem;
}

.contact-features {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.contact-feature:hover {
    background: var(--color-gray-50);
    transform: translateX(-3px);
}

.cf-icon {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    background: var(--color-gold-soft);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.contact-feature h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 0.25rem;
}

.contact-feature p {
    color: var(--color-gray-600);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ---------- Form ---------- */
.contact-form-wrap {
    background: var(--color-off-white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-md);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group-full {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.925rem;
    font-weight: 600;
    color: var(--color-gray-800);
}

.req {
    color: var(--color-gold-dark);
    font-weight: 700;
}

.form-hint {
    font-size: 0.85rem;
    color: var(--color-gray-500);
    margin-top: -0.15rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.85rem 1rem;
    background: var(--color-white);
    border: 1.5px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-gray-800);
    transition: all var(--transition-base);
    direction: rtl;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(11, 61, 126, 0.1);
}

.form-group input::placeholder {
    color: var(--color-gray-400);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230B3D7E' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 1rem center;
    background-size: 18px;
    padding-left: 2.5rem;
}

.form-group input.invalid,
.form-group select.invalid {
    border-color: var(--color-error);
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
    animation: shake 0.4s;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-4px); }
    75% { transform: translateX(4px); }
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.75rem;
}

.problem-option {
    cursor: pointer;
    position: relative;
}

.problem-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.problem-content {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.85rem 1rem;
    background: var(--color-white);
    border: 1.5px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-gray-700);
}

.problem-option:hover .problem-content {
    border-color: var(--color-primary);
    background: var(--color-primary-soft);
    transform: translateY(-2px);
}

.problem-option input:checked + .problem-content {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.problem-icon {
    font-size: 1.2rem;
}

.form-foot {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-gray-500);
    margin-top: 0.5rem;
}

/* ---------- Footer ---------- */
.footer {
    background: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: 3rem 0;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.footer-brand .brand-mark {
    width: 48px;
    height: 48px;
}

.footer-name {
    color: var(--color-white);
    font-weight: 700;
    font-size: 1.05rem;
}

.footer-tag {
    color: var(--color-gray-400);
    font-size: 0.85rem;
}

.footer-meta {
    text-align: left;
}

.footer-meta p {
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-copy {
    color: var(--color-gray-500);
    font-size: 0.8rem !important;
    margin-top: 0.25rem;
}

/* ---------- Toast ---------- */
.toast {
    position: fixed;
    bottom: 24px;
    left: 24px;
    background: var(--color-white);
    color: var(--color-gray-800);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 280px;
    max-width: 380px;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-base);
    pointer-events: none;
    z-index: 200;
    border-right: 4px solid var(--color-success);
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.toast.error {
    border-right-color: var(--color-error);
}

.toast-icon {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-success);
    border-radius: 50%;
    flex-shrink: 0;
}

.toast.error .toast-icon {
    background: rgba(239, 68, 68, 0.15);
    color: var(--color-error);
}

.toast-text {
    font-size: 0.95rem;
    font-weight: 500;
    line-height: 1.5;
}

/* ---------- Reveal on Scroll ---------- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-visual {
        max-width: 420px;
        margin-inline: auto;
    }

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-credentials {
        position: static;
    }

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

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

    .grade-card-featured {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1.25rem;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        flex-direction: column;
        background: var(--color-white);
        padding: 1.5rem;
        gap: 1rem;
        box-shadow: var(--shadow-md);
        align-items: stretch;
        border-top: 1px solid var(--color-gray-100);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-cta {
        text-align: center;
    }

    .hero {
        padding: 7rem 0 3.5rem;
    }

    .hero-title {
        font-size: 1.85rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

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

    .about,
    .differentiators,
    .services,
    .cta-section,
    .contact {
        padding: 4rem 0;
    }

    .contact {
        padding-bottom: 5rem;
    }

    .diff-grid,
    .grade-grid {
        grid-template-columns: 1fr;
    }

    .grade-card-featured {
        grid-column: auto;
    }

    .section-header {
        margin-bottom: 2.5rem;
    }

    .cta-box {
        padding: 3rem 1.5rem;
    }

    .contact-form-wrap {
        padding: 1.75rem;
    }

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

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

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-meta {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.6rem;
    }

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

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

    .brand-text {
        display: none;
    }

    .floating-chip {
        font-size: 0.78rem;
        padding: 0.5rem 0.85rem;
    }

    .chip-1 { top: 10px; right: -5px; }
    .chip-2 { bottom: 60px; left: -10px; }

    .toast {
        left: 16px;
        right: 16px;
        bottom: 16px;
        min-width: 0;
        max-width: none;
    }
}

/* ---------- Print-friendly niceties ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}